baber/WOPTO huggingface dataset:
Patent JP-3238524-U (JP)
Title: 操作スティック、スティック式指示装置、コントローラ、およびスティックセット
IPC: H01H25/04
Filed: 2022-06-03
Granted: 2022-07-29
Abstract: 【課題】カスタマイズ性に優れた操作スティック等を提供する。【解決手段】操作者が操作するスティック式指示装置において、基台によって起倒可能に支持されるとともに軸線Ｏを中心とした軸状をなす操作スティック１であって、自身の一端（以下、基部一端）が基台に取り付けられるとともに、自身の他端（以下、基部他端）の近傍に基部側ネジ部２０が形成された軸状部材となるスティック基部１０と、スティック基部１０の基部他端側に同軸上に配置される軸状部材であって、自身の一端（以下、先部一端）の近傍に基部側ネジ部２０と螺合する先部側ネジ部２１が形成され、基部側ネジ部２０と先部側ネジ部２１との螺合によって、スティック基部１０の基部他端に着脱可能に装着されるスティック先部１１と、を備えている。【選択図】図２
Patent JP-3239598-U (JP)
Title: 装身具のイヤリング保持具
IPC: A44C7/00
Filed: 2022-08-29
Granted: 2022-10-26
Abstract: 【課題】耳たぶを挟持するクリップ式のイヤリングの、耳たぶに痛みをもたらせない装身具のイヤリング保持具を提供する。【解決手段】装飾体と挟持体とをスプリングピン２６のバネの負荷により、挟持体の装飾体への押圧力を確保することができ、耳たぶへ装飾体を挟持するようにした装身具のイヤリング保持具１０において、装飾体側の耳たぶとの接触面の外周部分との間に、保持フレーム１２を備えたリング部材１１を装着し、このリング部材をシリコンゴム等の弾性部材の外周に設けた凹溝１４にはめ込むことにより、該シリコンゴム等の弾性部材によって耳たぶへの装着時にバネの押圧力による負荷で耳たぶが痛むことを防止できるようにした。【選択図】図３
Patent JP-3240709-U (JP)
Title: 軟質性疑似餌及び釣針付き軟質性疑似餌
IPC: A01K85/00
Filed: 2022-11-30
Granted: 2023-01-27
Abstract: 【課題】製造が容易であり、生物の形態に近づけることで集魚性に優れる軟質性疑似餌及び釣針付き軟質性疑似餌を提供する。【解決手段】軟質性の本体部１０と、本体部１０を貫通する貫通孔１１と、貫通孔１１に取り付けられ、一部が外部に露出する錘体２０と、を備え、錘体２０は、生物の体の一部を模して形成されていることを特徴とする。また、錘体２０は、目玉を模して形成されており、貫通孔１１は、本体部１０の長手方向の端部に形成されていることが好ましい。【選択図】図３
Patent JP-3244666-U (JP)
Title: 複合クッション
IPC: A47C27/00
Filed: 2023-09-22
Granted: 2023-11-20
Abstract: 【課題】快適で、変形しにくい、複合クッションを提供する。【解決手段】支持台座および可撓性支持体を含む。前記支持台座には支持板が設けられ、前記支持板は頂部支持面１１１および底部支持面１１２を有し、前記頂部支持面および前記底部支持面の間に緩衝部１１３が充填され、前記頂部支持面に２つの支持部１２が設けられ、２つの前記支持部は互いに離間して設置されて制限領域１３を形成する。前記可撓性支持体は前記制限領域に配置され、且つ前記可撓性支持体の両端はそれぞれ２つの前記支持部に接触する。ここで、前記支持部は制限支持面１２１を有し、前記制限支持面は前記可撓性支持体の端部に横方向の支持力を提供する。【選択図】図３
Patent JP-3244930-U (JP)
Title: 置き配口付き玄関ドア
IPC: E06B3/00
Filed: 2023-10-02
Granted: 2023-12-12
Abstract: 【課題】留守置き配達において、置き配ボックス（ポスト）方式に替わるもう一つの方式、精神的、金銭的負担がはるかに軽く、且つ直接屋内への置き配を実現する置き配口付き玄関ドアを提供する。【解決手段】扉面の下部域２を、上部域１と一体的に同調開閉し、且つ下部域が分離独立的に開閉もできて、下部域を置き配荷物の搬入口３として利用できることを特徴とする置き配口付き玄関ドア。【選択図】図１
Patent RS-1341-U (RS)
Inventor: ANDELKOVIC ZORAN
IPC: E04C3/00
Filed: 2012-05-30
Abstract: Višekomorni profilisani element (1) za izradu krila i oblih krila za prozore, vrata ili sličnih elemenata za zatvaranje gradjevinskih otvora, naznačen time, što se sastoji od središnje komore (2) koja je obrazovana gornjim zidom (3), bočnim vertikalnim zidovima (4, 5), donjim horizontalnim zidovima (6, 7) i zidovima (9, 10, 11) otvorene komore (8), pri čemu je leva polovina zida (3) zakošena, dok je desna polovina zida (3) horizontalna, što su na krajevima horizontalnih zidova (6, 7) pod pravim uglom i ka unutrašnjosti komore (2) postavljeni zidovi (9, 10), što su krajevi zidova (9, 10) povezani medjusobno horizontalnim zidom (11), pri čemu su temena spojeva zidova (9, 11) i (10, 11) izvedeni sa većim radijusom, što zidovi (9, 10, 11) obrazuju otvorenu komoru (8) smeštenu unutar središnje komore (2), što su na zidovima (9, 10), sa spoljašnje strane, odnosno unutar otvorene komore (8) i na njihovom donjem delu, izvedeni ispusti (12, 13) oblika pravougaonika, što je na sredini zida (11) izveden lučni ispust (14) unutar komore (15) koju obrazuje zid (16) elipsastog oblika, što su na desnoj strani profilisanog elementa (1), uz središnju komoru (2), između unutrašnjeg vertikalnog zida (5), spoljašnjeg bočnog zida (20) i horizontalnih zidova (3, 21), izvedene dve komore (22, 23). pri čemu su komore (22, 23), koje su pravougaonog oblika, međusobno odvojene unutrašnjim vertikalnim zidom (24), što su u produžetku komora (22, 23), na dole i konzolno na element (1) izvedene dve komore (25, 26) i otvorena komora (27), što je komora (25), oblika kvadrata obrazovana vertikalnim zidovima (20, 28) i horizontalnim zidovima (21, 29), što je manja komora (26), oblika pravougaonika, obrazovana vertikalnim zidovima (20, 30) i horizontalnim zidovima (29, 31), što je u produžetku vertikalnog zida (28) izveden ispust (32), dok je na kraju zida (31) konzolno i pod pravim uglom izveden ispust (33), pri čemu ispusti (32, 33) sa zidovima (29, 30, 31) obrazuju otvorenu komoru (27), što su na levoj strani profilisanog elementa (1) uz središnju komoru (2), između unutrašnjeg vertikalnog zida (4), spoljašnjih vertikalnih bočnih zidova (35, 36), gornjih kosih zidova (38, 39) i horizontalnog donjeg zida (37), izvedene tri komore (40, 41, 42), pri čemu su dve donje komore (40, 41) medjusobno odvojene kosim dijagonalno postavljenim zidom (44) dok su komore (40, 41) od gornje komore (42) odvojene kosim pod oštrim uglom postavljenim zidom (43), pri čemu je komora (42) postavljena na elementu (1) konzolno i vertikalno na gore iznad zida (3), što ravni zid (36) na svom gornjem kraju prelazi u kosi zid (38) a ovaj u kosi pod oštrim uglom postavljen zid (39), što je horizontalni zid (37) uvučen unutar komora (40, 41) tako da sa krajem zida (6) i ispustom (46), na kraju zida (36), obrazuje otvorenu komoru (45), što su krajevi kosog zida (39) i zida (35) spojeni zidom (47) lučnog oblika, što je u produžetku vertikalnog zida (35) izveden
Patent UA-4002-U (UA)
Title: Спосіб електролізу питної води
Filed: 2004-05-06
Abstract: Спосіб електролізу питної води включає обробку води протягом певного часу в діафрагмовому електролізері з анодною і катодною камерами. Електроліз ведуть в режимі активізації при повній заданій напрузі джерела живлення при зростаючому споживаному струмі і в режимі доочищення при зниженій напрузі джерела живлення і сталому споживаному струмі.
Patent UA-75461-U (UA)
Title: Medicine for the prevention of dental diseases
Inventor: MANASHEROV TAMAZI OMAROVICH
Filed: 2010-03-23
Abstract: Medicine for dental diseases prophylaxis contains orally acceptable active and inert components. As active components there are used about 0,3 % to 2,2 % by weight of lipid concentrate of kelp, 0,5 % to 5,0 % by weight of kelp salt, 0,5 % to 4,0 % by weight of dry extract of liquorice root, 0,01 % to 0,25 % by weight of one or more essential oils to enhance organoleptic properties, and 0,1 % to 3,5 % by weight of anticaries mineral adjunct.
Patent UA-127138-U (UA)
Title: Гідронний котел
IPC: F24H1/40
Filed: 2018-02-16
Abstract: Гідронний котел містить топку, задню і передню стінки, газохід і водотрубний теплообмінник, утворений горизонтальними оребреними трубами, розташованими безпосередньо в топці в два шари паралельно один одному по колу або овалу. В задній частині котла труби теплообмінника жорстко закріплені, а в передній частині виконані з можливістю вільного переміщення відносно передньої стінки котла, мікрофакельний пальник, який містить сітку з жаростійкого металу, активатори відбору тепла, які розташовані навколо труб теплообмінника, та двома колекторами, які розташовані у топці котла. Один колектор прикріплений до передньої стінки з можливістю вільного переміщення, а інший колектор жорстко закріплений на задній стінці, та обидва колектори мають порожнини для циркуляції теплоносія, сполучені з трубами теплообмінника. Мікрофакельний пальник обладнаний завихрювачем потоку, в центральній частині котла встановлений інтенсифікатор потоку, всередині труб теплообмінника встановлені пластинки.
Patent UA-8171-U (UA)
Title: Method for diagnosis and rehabilitation
IPC: A61B5/00
Filed: 2005-02-01
Abstract: The method for diagnosis and rehabilitation comprises the assay for the patients prior to each training. The time and the quality of performance are assessed for the exercises made for different muscular groups. According to the data obtained, the pathologic areas in the body are assessed. The exercises are then proposed for improving the blood flow in the pathologic areas.
Patent UA-11055-U (UA)
Title: Soil ripper
Filed: 2005-05-12
Abstract: A soil ripper contains steel horns fixed on a support as an angle. A supporting arch, whereon a hand-rail with a crosspiece is fixed, is welded to the support. The horns are put on the soil, are pressed for a depth needed by a foot and the construction is drawn for the hand-rail on oneself, the horns raise and turn the soil while loosening it.
Patent UA-11390-U (UA)
Title: Method for surgical treatment of lymphedema in lower limb
Filed: 2005-07-05
Abstract: The method for the surgical treatment of lymphedema in the lower limb comprises aspiration lipectomy with the aid of the cannula. The aspiration lipectomy is performed in longitudinal bands radically throughout the limb. Above the hip, in the adjacent areas the subcutaneous fat is tunneled. The cannula is forwarded in parallel to the collector lymphatic vessels.
Patent UA-15302-U (UA)
Title: A mechanism for making staple fiber of mineral melts
Inventor: NOVYTSKYI OLEKSANDR HENNADIIOV
IPC: C03B37/01
Filed: 2006-01-12
Abstract: A mechanism for making staple fiber of mineral melts contains feeder channel, burner, feeding unit, blowing device. It is equipped in addition with magnet device being disposed on the rarefaction chamber isolated from the environment through which the melt current passes. The chamber is tightly connected with the feeding unit and is disposed coaxially to the blowing device gorge and feeding unit orifice.
Patent UA-16431-U (UA)
Title: Digital-analog phase changer
Inventor: DOLGIN VOLODYMYR PROKHOROVYCH
IPC: H03H11/02
Filed: 2006-01-23
Abstract: The proposed digital-analog phase changer contains an input differential amplifier (1), an operating amplifier (2), an adder (3), a time delay element(4), and an output differential amplifier (5). The noninverting input of the input differential amplifier is used as the input of the phase changer. The output of the input differential amplifier is connected to the input of the operating amplifier and the inverting input of the output differential amplifier. The output of the operating amplifier is connected to the first input of the adder. The output of the adder is connected to the noninverting input of the output differential amplifier and the input of the time delay element. The output of the time delay element is connected to the second input of the adder and the inverting input of the input differential amplifier.
Patent UA-15995-U (UA)
Title: Phytotea no. 105 "vdaloho dnia" (have a good day!)
Inventor: SHOKARIEV KOSTIANTYN VIKTOROVY
IPC: A23F3/34
Filed: 2006-02-13
Abstract: A phytotea containing garden sage leaves, St. JohnÆs wort herb, dwarf rosemary herb, is supplemented with common licorice roots, wild succory roots, red clover flowers, black currant leaves, hips.
Patent UA-16038-U (UA)
Title: A set of monoclonal antibodies of a3, a5, a8, specific to human immunoglobulins of class a, suitable for use in immouno fermentative analysis
IPC: C12N5/00
Filed: 2006-02-16
Abstract: A set of monoclonal antibodies of A3, A5, A8, specific to human immunoglobulins of class A, suitable for use in immouno fermentative analysis. Monoclonal antibodies of the set have a high constant of affinity, title in cultural liquid and title of peroxidae conjugate.
Patent UA-16586-U (UA)
Title: Device for testing the service life of a group of switching units
Inventor: GRABKO VOLODYMYR VITALIIOVYCH
IPC: G07C3/10
Filed: 2006-02-20
Abstract: The proposed device for testing the service life of a group of switching units contains a current transducer, comparators, a commutation detector, AND logic elements, pulse counters, a pulse generator, a signal former, a reset circuit, an OR logic element, a monostable multivibrator, a functional converter, a digital switching unit, a differentiator, a NOT logic element, and a digital comparator. The output of the current transducer is connected to the inputs of the of the first, second, and third comparators. The output of the commutation detector is connected to the first input of the fourth AND logic element. The first input of the first pulse counter is connected to the output of the third AND logic element. The first input of the third AND logic element is connected to the output of the pulse generator. The second input of the third AND logic element and the input of the signal former are connected to the output of the fourth AND logic element. The output of the reset circuit is connected to the first input of the OR logic element. The input of the digital comparator is connected to the output of the digital switching unit. The first input of the digital switching unit is connected to the output of the functional converter. The second input of the digital switching unit and the input of the functional converter are connected to the output of the first pulse counter. The output of the commutation detector is connected to the input of the differentiator. The output of the differentiator is connected to the input of the forth pulse counter. The output of the NOT logic element is connected to the input of the monostable multivibrator. The output of the monostable multivibrator is connected to the control input of the digital switching unit.
Patent UA-19154-U (UA)
Title: Voltage stabilizer of alternating current electric generator
Inventor: DMYTRENKO MAKSYM ANATOLIIOVYCH
IPC: F03D3/00
Filed: 2006-03-27
Abstract: A voltage stabilizer of alternating current electric generator additionally has magnetic-soft rod and electrically connected in sequence control inductivity coil, rectifier, resistor, at that the magnetic-soft rod connected to lever can move in control inductivity coil, this leads to automated change of its inductance, and movable with respect to shaft clutch has pin that can move in slot of shaft.
Patent UA-17403-U (UA)
Title: Method for determining abrasion resistance of wood
Inventor: KOTRECHKO OLEKSII OLEKSIIOVYCH
IPC: G01N3/40
Filed: 2006-04-14
Abstract: The proposed method of testing for determining abrasion resistance of wood is distinctive by that the testing is performed under varying load, using loading elements with an abrasive belt applied to the surface of the element.
Patent UA-20080-U (UA)
Title: Control unit of spacecraft
Inventor: FIRSOV SERHII MYKOLAIOVYCH
IPC: B64G1/28
Filed: 2006-06-22
Abstract: The utility model relates to cosmonautics. A control unit of automatic spacecraft contains first and second digital-analog converters, first and second electric drives, first and second sensors of rotation, first and second driver amplifiers, analog-to-digital converter. For improvement of the fault tolerance and efficiency, into the control unit are added digital controlling computer, first and second flywheel motors, output of analog-to-digital converter together with the input signal of system is connected to the inputs of digital control calculator, first and second outputs of which through first and second digital-analog converters, first and second driver amplifiers are connected to the first and second flywheel motors respectively.
Patent UA-20414-U (UA)
Title: Multichannel device for measuring and recording linear displacements
Inventor: RASPOPIN VALERII ROMANOVYCH
IPC: G01B11/14
Filed: 2006-08-08
Abstract: The proposed multichannel device for measuring and recording linear displacements contains a strain-gage or electromagnetic displacement transducer and the transducer signal converters, the number of which corresponds to the number of the measurement channels of the device. The displacement transducer contains a unit for converting the linear displacement into the angular displacement of the coded disk and an optoelectronic sensor with a pulse output signal for measuring the angular displacement of the disk. The pulses of the output signal of the displacement transducer are read according to a specified program simultaneously in all the measurement channels .
Patent UA-23705-U (UA)
Title: Plug for bottle
Inventor: PETROV KYRYLO IVANOVYCH
IPC: B65D39/00
Filed: 2006-11-30
Abstract: A plug for bottle contains a hollow housing, which is opened from below, upper butt end of housing contains a tear-off element, a drain bushing connected with internal surface of housing, which is located coaxially with the tear-off element and contains upper and lower branch pipes. The upper branch pipe contains a partition, and the upper exterior of the drain bushing has the threaded connection, which connects it with the locking bushing, which ends with a branch pipe covering from outside the end of the upper branch pipe of drain bushing. The partition of upper branch pipe is made as a capsule, whose walls are made from transparent elastic plastic material. Its internal cavity contains an electrical circuit. The surface of capsule contacts with the branch pipe of locking bushing, which from the side of capsule contains annular projection.
Patent UA-23372-U (UA)
Title: Method for producing seamless pipes made of high-temperature high-chromium steel
Inventor: KUTSENKO MYKHAILO OLEKSIIOVYCH
IPC: B21C23/02
Filed: 2006-12-04
Abstract: A method for producing the seamless pipes made of high-temperature high-chromium steel includes heating billet, laying of glass mass, obtaining of hollow case on vertical hydraulic press, heating the case, laying of glass mass with following extrusion on the tube-shaping mill, after extrusion is performed low-temperature heat treatment with preliminary air cooling, and also subsequent warm rolling to the finished size at a temperature of 150-180 °C. Heating billet is performed to the temperature of 1070-1090 °C. Heating of billet is accomplished by stepped increase of the temperature to 0.39-0.43 of value of temperature prior to extrusion. After extrusion and heat treatment the billet is cooled below 350 °C forcedly, for example, by water, at cooling rate of 50-60 °C/s.
Patent UA-23112-U (UA)
Title: Method for treating injuries in proximal division of humerus and shoulder joint
Inventor: ZHERNOV OLEKSANDR ANDRIIOVYCH
IPC: A61B17/88
Filed: 2006-12-05
Abstract: The method for treating the injuries in the proximal division of humerus and the shoulder joint comprises the fixation of the segments of humerus and scapula followed by the immobilization. The connection between humerus and scapula is direct or mediated by bone graft. The external supports on humerus and scapula are installed using the bone rods for the long-term holdup of the connected segments in the specified position. Finally, the wound defect is closed with the vascularized tissues.
Patent UA-24922-U (UA)
Title: Conductive core
Inventor: VEDMED VIKTOR VIKTOROVYCH
IPC: H01B5/00
Filed: 2006-12-21
Abstract: A conductive core, lays of which is winded from shaped conductors. The form of conductor section of each lay is chosen to provide a tight contact with adjacent conductors of one lay and with conductors that touch with adjacent lays. The fill factor of core section is 0,95-0,98.
Patent UA-26300-U (UA)
Title: Direct-drive wind power unit
Inventor: ZHARKOV VIKTOR YAKOVYCH
IPC: F03D7/06
Filed: 2007-05-21
Abstract: A direct-drive wind power unit has windmill with output shaft and electro-mechanical transducer as cylindrical, placed in coaxial positions with radial gap movable and fixed magnetic conductors, with long slots in neighboring surfaces parallel to common axis of magnetic conductors, and circular excitation winding arranged on fixed magnetic conductor in the plane normal to common axis of magnetic conductors dividing fixed magnetic conductor into two halves. Movable magnetic conductor is placed inside hollow fixed magnetic conductor with possibility of rotation in bearings fixed in end brackets at ends of electro-mechanical transducer and connected to the windmill shaft. Fixed magnetic conductor is assembled of sheets of electric steel as two same packs placed in steel cylindrical yoke, between those circular excitation winding is placed, in slots of fixed magnetic conductor armature windings are placed, those are connected by circuit of synchronous generator.
Patent UA-29285-U (UA)
Title: Vibration drive of crusher
Inventor: KOZLOV PAVLO MYKOLAIOVYCH
IPC: B02C2/00
Filed: 2007-08-27
Abstract: A vibration drive of crusher contains a table connected with vertical guides mounted on basis and which interacts with two horizontal eccentric shafts located in parallel from the opposite sides of table, one of which is driving. The drive is equipped with connecting rod and two sliders installed in horizontal guides. The working surfaces of the sliders and guides are cylindrical and have the same radius. Each shaft is made with three eccentric sections, two of which are connected through the bearings with the sliders, and the third one - with connecting rod. The third section is made under the condition of displacing its axis in the plane perpendicular to the plane of the arrangement of the axes of first two sections for the eccentricity being identical for all three sections.
Patent UA-28981-U (UA)
Title: Method for waste water purification
Inventor: Lessik Mykola Dmytrovych
IPC: C02F3/00
Filed: 2007-09-14
Abstract: A method for waste water purification comprises biological purification in aerotanks and division of sludge water mixture in final settling tanks. The activated sludge is maintained in a condition of filamentary inflation by means of air quantity reduction for aeration. The division of sludge water mixture is intensified by means of addition of high-basic hydroxychloride coagulants.
Patent UA-31534-U (UA)
Title: Double pressed and welded guide sickle finger
Inventor: BILOKOPYTOV BORYS OLEKSANDROVYCH
IPC: A01D34/00
Filed: 2007-12-19
Abstract: A double pressed and welded guide sickle finger includes an upper shear plate and a lower one and a bracket. The upper shear plate has a pointed bent tip in the front part, the lower shear plate is made of a U-like shape and has two pointed bent tips, and the bracket is made of a U-like shape, has two round ends and two openings in a crossbar, in doing so the transition from the ends of the bracket to a crossbar is made as a trapeze. In addition, the lower shear plate is welded to the upper shear plate at the area of tips forming a rectangular groove, and to the lower shear plate the bracket is welded, whereon at the area of the trapezoidal transition pressed reinforcement ribs are made. The upper shear plate is made of a U-like shape and has two pointed bent tips and in the front part and the crossbar. The thermal treatment of the device is made, preferably, in the area of the cutter surfaces of the upper shear plate and the lower one. The device has the hardened lower shear plate and the unhardened upper shear plate or conversely.
Patent UA-33696-U (UA)
Title: Method for determination of phases of chronic inflammation
Inventor: KLYMENKO MYKOLA OLEKSIIOVYCH
IPC: G01N33/00
Filed: 2008-02-14
Abstract: Method for determination of phases of chronic inflammation includes determination of level of de-granulation of tissue basophiles, and in the case of those being substantially de-granulated with decrease of number of those one determines first (“more acute”) phase of chronical inflammation, at following moderate de-granulation of those and increase of number one determines second phase of inflammation (phase of formed chronic inflammation); at decrease of de-granulation with respect to that in first phase that remains in spite of that higher that in norm at the beginning of de-granulation with respect to that in first phase that remains though higher than in norm at the beginning of renewal of munber of TB number one determines transition phase of chronic inflammation.
Patent UA-34341-U (UA)
Title: Adaptive device for reading perforated code for leather production
Inventor: DUBROVKINA MARGARYTA VASYLIVNA
IPC: G06K9/00
Filed: 2008-02-25
Abstract: Adaptive device for reading perforated code for leather production takes into account peculiarities of light-technical characteristics of surface of each of leathers and makes it possible to obtain sharper image of code. In adaptive device lighting system consists of two parts – the upper and the side ones. Design of lighting has in its set light filters to increase sharpness of code image at reading from leathers with some colors. Side lighting has in its set system for displacement of side lighting to obtain best shadowing of opening.
Patent UA-36260-U (UA)
Title: Machine for trench digging
Inventor: OGORODNIK BOHDAN MYKOLAIOVYCH
IPC: E02F9/02
Filed: 2008-03-13
Abstract: Machine for trench digging that consists of basic machine, frame with chain executive device and hydro-drive that rotates drive shaft of executive device. Hydro-drive of executive device has three-position hydro-distributor with electromagnetic control. Idle stroke of hydro-drive is achieved through use of overflow safety valve in system.