baber/WOPTO huggingface dataset:
Patent CN-1046753-A (CN)
Inventor: QIMING YANG
IPC: C10M173/02
Filed: 1989-04-27
Abstract: 本发明公开了一种对含水工作介质中的金属磨粒进行铁谱制谱和读数所必须使用的“水基”介质悬浮液。该悬浮液含有羧基纤维素，能使直径≤100微米的金属磨粒均匀地悬浮于取作铁谱分析的样品中以满足制谱工作的要求，亦可用于一般矿物的悬浮选矿作业中。本发明工艺简单、成本低廉，性能稳定，适用性广。
Patent CN-1050236-A (CN)
Title: 缝编固定无纺织物
Inventor: ZAFIROGLU DIMITRI PETER
IPC: D04H3/10
Filed: 1990-09-13
Abstract: 由纤维丛片组成的缝编无纺织物，在第一个方向
上用可膨化纱线进行加固，在第二个方向上用结实无
弹性纱线进行加固。加固方向之间形成的角度不小
于50度。织物具有较高强力，耐撕裂性和耐反复洗
涤性。
Patent CN-1096998-A (CN)
Title: 泵送快硬早强水泥混凝土用的缓凝剂
Inventor: DIANQI JIAO
IPC: C04B28/02
Filed: 1993-06-30
Abstract: 本发明是在快凝早强硫(铁)铝酸盐水泥中加缓

凝剂，根据施工需要调节快凝早强水泥的凝结时间，

将快凝早强水泥砼用于大型机械化泵送法施工中。

解决了快凝早强水泥砼不能采用泵送法的技术难

点。本发明比现有的普通砼施工工期提前89％。
Patent CN-1087501-A (CN)
Inventor: CALDI MR MICHEL
IPC: A47G19/06
Filed: 1993-06-10
Abstract: 本发明涉及一种饮食餐具。这种餐具由一个抓
握部件(14)和环绕抓握部件的一个容器部分(12)构
成。容器部分(12)设有使抓握部分可被夹紧的外部
容积，容器部分的底部基本位于抓握部件的下端
(18)。
Patent CN-1110062-A (CN)
Inventor: JEONG JU YEUL
IPC: F24F1/56
Filed: 1994-06-15
Abstract: 一种接地系统，它包括一个箱形外壳，外壳里面
在沿底部从两侧边缘向内伸展的支撑板上纵向地装
设导轨。导轨上面有向上凸起的接地隆起体。在空
调器主体装入箱形外壳的时候，接地隆起体将空调器
主体基座上的油漆涂层剥除掉使空调器主体与箱形
外壳能够金属体与金属体相对而达到电气上的相互
接触。
Patent CN-1133556-A (CN)
Inventor: BOYER C E III
IPC: C09J7/20
Filed: 1994-09-26
Abstract: 用带连接两个面对的底材的封闭件系统。该系统包括一条压敏粘合带襻，其一个自由端永久性地连接于一个底材上，其另一自由端则以可被松开的方式连接于对面的第二底材上。带襻的自由端涂有具有一定表面结构的粘合剂，用以改善其可松开的粘合性能。
Patent CN-1130057-A (CN)
Title: 蒜衣多功能营养洗发露
Inventor: GUIFANG WANG
Filed: 1995-12-23
Abstract: 本发明公开的洗发露，是由蒜衣原液、芦根原液、枸杞原液、薏苡仁、乙烯醚硫钠(AES)、乙二醇双硬酸脂、十二烷基甜菜碱、椰油酸二醇酰胺、聚氧二醇双硬酸脂、卡松、香精等制成，具有消毒杀菌、止痒、去屑、去污力强、防止脱发、无刺激、乌发柔软、成本低等特点，适用于不发质，是男女老少洗发的最佳用品。
Patent CN-1161300-A (CN)
Inventor: BAUR WILHELM
IPC: B65G47/22
Filed: 1996-02-17
Abstract: 本发明涉及一种具有一个90°转向装置的线会聚装置，它可用于，例如将几条传送线连接在一起将它们会聚成一条输出传送线。线会聚装置包括一个台子，由至少一个供给传送带向台子供料，台子包括一个或几个导向转向装置。
Patent CN-1212449-A (CN)
Inventor: KIENZLER YOLANDA
IPC: H01H9/16
Filed: 1998-09-22
Abstract: 一种热保护开关,具有速动盘式热动开关(1,2)、可以通过一个传动销(3)控制位于两接头(6,6′)之间的对接桥(4)以及一个与上述销(3)协同动作设计成中空圆柱体的复位按钮(9),后者在内腔中具有光源(12)及限流装置(13),光源永久地接通两接头(6,6′)。光源(12)因限流装置(13)只在对接桥打开时,亦即在热保护开关断开时发光,并显示这种状态。
Patent CN-1238266-A (CN)
Title: 具有纸页加载系统的记录装置
Inventor: MASARU MOMECHI
IPC: B65H23/188
Filed: 1999-06-04
Abstract: 一种电子照片印片机，具有自动的纸加载系统，在操作者按下按键开关时，这个系统调整连续记录的位置，使记录纸的多孔线对准印片机的基准线。
Patent CN-1636011-A (CN)
Inventor: OLSON R E
IPC: C07D401/04
Filed: 1999-12-23
Abstract: 本发明涉及新的具有式(I)的内酰胺、其药用组合物以及其用法。这些新化合物可抑制淀粉样前体蛋白的加工，尤其是抑制Aβ－肽的产生，因此可用于抑制淀粉样蛋白的神经沉淀的形成。更详细地讲，本发明涉及治疗与β－淀粉状蛋白的产生有关的神经疾病，如Alzheimer氏病和唐氏综合症。
Patent CR-20120081-A (CR)
Title: Inhibidores de los virus flaviviridae
Inventor: CANALES EDA
IPC: A61K31/381
Filed: 2012-02-16
Abstract: A continuación se proporcionan los compuestos de la Fórmula o una sal o un éster aceptables desde el punto de vista armacéutico de dicha fórmula, donde:R1 se selecciona del grupo que consiste en C1-12 alquilo opcionalmente sustituido, C2-12 alquenilo opcionalmente sustituido, C2-12 alquinilo opcionalmente sustituido.
Patent CR-20120480-A (CR)
Title: Derivados de ariletinilo
Inventor: GREEN LUKE
IPC: C07D401/04
Filed: 2012-09-24
Abstract: La presente invención se refiere a derivados de etinilo de la fórmula I, en la que: U es =N- o =C(R5)-;V es -CH= o -N=;W es =CH- o =N-; con la condición de que solamente uno de U, V o W pueda ser nitrógeno, R5 es hidrógeno, metilo o halógeno;Y es -N(R6)-, -O-, -C(R7')(R7)-, -CH2O- o -CH2S(O)2-;dicho R6 es hidrógeno o alquilo inferior y R7/R7' con independencia entre sí son hidrógeno, hidroxi, alquilo inferior o alcoxi inferior.
Patent CR-20150470-A (CR)
Title: Derivados de triazolona de piridinilo y piridinilo fusionado
Inventor: LAWSON JOHN DAVID
IPC: C07D403/14
Filed: 2015-09-10
Abstract: Se divulgan compuestos de Fórmula 1,
Patent CR-20190464-A (CR)
Title: Pharmaceutical combination comprising ponesimod
Inventor: CLOZEL MARTINE
IPC: A61P37/06
Filed: 2018-03-13
Abstract: The present invention relates to a pharmaceutical combination comprising a first active ingredient which is ponesimod and a second active ingredient which is selected from the group consisting of teriflunomide and leflunomide.La presente invención se relaciona con una combinación farmacéutica que comprende un primer ingrediente activo que es ponesimod y un segundo ingrediente activo que se selecciona del grupo que consiste en teriflunomida y leflunomida.
Patent EC-SP067041-A (EC)
Title: Formulación de irinotecan
Inventor: KEISUKE YOSHINO
IPC: A61K9/127
Filed: 2006-11-29
Abstract: Una preparación de irinotecan que tiene irinotecan y/o una sal del mismo altamente portado por un portador vesicular cerrado, que muestra una retención notablemente prolongada en la sangre, como se comparó con aquella de las preparaciones de liposoma de irinotecan convencionales y es capaz de estar presente en la sangre durante un periodo de tiempo prolongado. Se proporciona una preparación de irinotecan que comprende vesículas cerradas formadas de una membrana de lípido en donde el irinotecan y/o una sal del mismo se sellan en una concentración de al menos 0.07 mol/mol (mol de medicina/mol de lípidos totales de la membrana). La preparación de irinotecan preferiblemente tiene un gradiente iónico entre una fase acuosa interna y una fase acuosa externa dentro de las vesículas cerradas. Las vesículas cerradas son preferiblemente liposomas, y los liposomas preferiblemente tienen sólo la superficie externa del mismo modificado con un modificador de superficie que contiene un polímero hidrofílico.
Patent EC-SP077230-A (EC)
Title: Moduladores delta-opioides triciclicos
Inventor: LIU LI
IPC: C07D451/02
Filed: 2007-02-07
Abstract: La invención está dirigida a moduladores del receptor delta-opioide; más específicamente, la invención se refiere a moduladores d-opioides tricíclicos; también se describen composiciones farmacéuticas y veterinarias, y métodos de tratamiento del dolor leve a severo y de varias enfermedades usando los compuestos de la invención.
Patent FI-20000944-A (FI)
Inventor: KIRJAVAINEN KARI
IPC: B29C48/525
Filed: 2000-04-19
Abstract: An extruder includes a material feeding device feeding into a radial pump unit. The radial pump unit includes conical screws which are adjacently positioned and rotate in the same direction. The radial pump unit transfers an annular flow of the material into the extruder's nozzle. Additional material can be supplied into the product through the radial pump unit.
Patent FI-20030535-A (FI)
Inventor: PALOHEIMO MARKUS
IPC: A01B1/18
Filed: 2003-04-09
Abstract: The invention relates to a device for removing plants or the like from the ground. The device comprises an elongated shaft (2), a ground support (4) pivoted to a first end (1) of the shaft (2) transversely in relation to the longitudinal axis thereof and at least two blades (6, 7) including grip ends (8, 9) forming an extension of the shaft. The device is characterized in that the blades (6) are pivoted in respect of the ground support (4) transversely in relation to the longitudinal axis of the shaft (2) and functionally connected together such that turning the shaft (2) and the ground support (4) in respect of each other causes the grip ends (8, 9) of the blades (6) to move towards one another, thus enabling to grip the plant. <IMAGE>
Patent FI-20031850-A (FI)
Inventor: LEHTONEN KAI
IPC: H01H35/38
Filed: 2003-12-18
Abstract: The present invention relates to apparatuses for detecting fuel pressure in internal combustion engines. The invention especially relates to internal combustion engine applications in which fuel reaches a high pressure. The apparatus according to the invention is a simple switch apparatus. In the apparatus the fuel pressure moves a piston causing a switching operation in the apparatus, which in turn can be detected by means of a separate detector.
Patent FR-1592720-A (FR)
IPC: H01G2/08
Filed: 1968-11-21
Granted: 1970-05-19
Abstract: 1,240,859. Capacitors. GENERAL ELECTRIC CO. 8 Oct., 1968 [24 Nov., 1967], No. 47690/68. Heading H1M. End walls 2c, 2d of a capacitor casing shown in cross-section are flexible to respond to thermal expansion and contraction of dielectric fluid filling the casing and impregnating capacitor rolls 4, while side walls 2a, 2b are in heattransfer contact with at least the middle rolls to remove heat therefrom. As shown side walls 2a, 2b are bowed to maintain contact with the rolls which have an insulating wrapping 10 of e.g. kraft paper, but they may be flat and rendered rigid by being sufficiently thick (Fig. 3, not shown) or provided with ribs (Fig. 4, not shown). To improve heat-conduction, additional members of good thermal conductivity may be interposed between the rolls and the casing in direct contact with the side and end walls (Fig. 5, not shown). The dielectric fluid may be liquid, e.g. chlorinated diphenyl or mineral oil, or gaseous e.g. sulphur hexafluoride.
Patent GB-1026203-A (GB)
IPC: F16F9/28
Abstract: 1,026,203. Controlling vehicle height. ARMSTRONG PATENTS CO. Ltd. Aug. 27, 1964 [Sept. 4, 1963], No. 34884/63. Heading B7O. [Also in Division F1] A vehicle suspension system comprises a hydraulic pump 10 supplying fluid by way of a control valve 16 from a reservoir 12 to a ram 18 acting on a load supporting suspension spring the valve 16 being responsive to the relative position of the load and spring to connect the ram to the reservoir or the pump, a pressureoperated by-pass valve 14 (see Division F1) by-passing the fluid from the pump to the reservoir when the control valve stops the supply of hydraulic fluid to the ram. Preferably the control valve is incorporated in a lever-type damper mounted on the vehicle sprung mass and having two pistons in parallel bores reciprocated by a crank on spindle 32 on which is mounted a lever arm connected at its other end to the unsprung mass. The pump 10 (see Division F1) supplies fluid to passage 52 in the damper from which it may pass through inlet valve 56 and passages 66, 64 to the ram or rams 18. Return fluid passes through passage 64, outlet valve 70, chamber 38 and damper outlet 39 to the reservoir. The values 56, 70 are respectively actuated by cams 62, 76 on spindle 32 through plungers 60, 72 when the sprung mass moves above or below its predetermined level.
Patent GB-1047291-A (GB)
IPC: H05K3/16
Abstract: 1,047,291. Circuit assemblies. STANDARD TELEPHONES & CABLES Ltd. Jan. 3, 1964 [Jan. 4, 1963], No. 509/63. Heading H1R. An electric circuit unit, Fig. 1C, comprises a cylindrical insulating substrate 1 on the curved surface of which resistors 2, capacitors 3, conductors 4 and terminals 5 are deposited as thin films, lead wires 6 and the terminal wires 7 of a transistor 8 being connected, as by soldering or thermo-compression, to terminals 5, and the arrangement being centrally disposed within a sheath 9, the unoccupied space therein being filled with thermo-setting epoxy resin. Resistors 2 are composed of a Ni-Cr alloy; capacitors 3 have alternate layers of Al and silica; conductors 4 and terminals 5 are of a Cr-Au alloy, the proportion of Au varying from zero adjacent the substrate to 100% at the exposed surface. The films may be produced with the aid of masks by rotating the substrate over a vapoursource ; or other methods of deposition, such as sputtering, may be used. Components and conductors may be applied to a flat flexible sheet which is subsequently curved into a cylinder.
Patent GB-1050485-A (GB)
IPC: C01D3/22
Abstract: 1,050,485. Sodium chloride flakes. DOMITAR Ltd. Aug. 28, 1963 [Aug. 29, 1962],No. 33093/62. Heading C1A. [Also in Division B5] Fused sodium chloride flakes of uniform thickness in the range 0À001 to 0À040 inches are prepared by introducing molten or plastic salt at about 1550‹ F. into the nip between a pair of rollers, the partially solidified sheet of salt which passes through the rollers being further cooled, e.g. by air cooling, and broken up. The thickness of the sheet, and of the eventual flakes, is controlled by the gap between the rollers and their speed of rotation. The preferred rate of feeding of the molten or plastic salt is such that the nip is just flooded. The broken up sheet is preferably conducted away at a rate at least equal to that at which the sheet leaves the rolls, e.g. on a conveyer belt. To produce flakes having a varying thickness within the range, one or both of the rollers may be shaped.
Patent GB-1050936-A (GB)
IPC: F02M1/18
Abstract: 1,050,936. Carburetters. CLINTON ENGINES CORPORATION. Jan. 21, 1965 [Aug. 21, 1964], No. 2700/65. Heading F1B. To facilitate starting an I. C. engine having a carburetter 10 provided with a float chamber 16, air may be pumped manually by bellows 54 through an inlet 50 into the float chamber, so as to increase the pressure therein and force fuel through a nozzle 40 into a fuel-air mixture passage 14. A hole 56 in the bellows normally vents the float chamber to atmosphere, but is covered by the operator when pumping.
Patent GB-1052264-A (GB)
IPC: F16H55/38
Abstract: 1,052,264. Belt gearing. STEPHENS BELTING CO. Ltd. Dec. 4, 1963 [Sept. 4, 1962],No. 33785/62. Heading F2Q. In a driving belt having reinforcing cords running longitudinally in one or more layers adjacent the outer surface of the belt, the tensions in the cords are initially adjusted so that in one or more circumferential regions spaced inwardly from the belt edges the tension in the cords is less than that in the cords over the remaining regions. The belt 17 shown has cords 19 adjacent its edges at one tension, while over a central region 22 the tensions in cords 20 decrease progressively from the sides of the region to a minimum at the central plane, giving good engagement with a pulley 10 having a peripheral rib 13, as described in Specification 968,645, to prevent running off. Alternatively, the cord tensions may decrease progressively from the edges of the belt to a minimum at the central plane, for engagement with a pulley having a transversely convex rim. The belt may be of leather with reinforcing cords of nylon or other suitable plastics material.
Patent GB-1095392-A (GB)
IPC: B22D19/06
Abstract: 1,095,392. Casting composite articles and joints. A. E. BARDEN. March 16, 1965 [March 18, 1964], No. 11505/64. Heading B3F. [Also in Division E1] A magnetic cutting material for use in boring, cutting or drilling rock &c. is made by dispers ing particles of a hard non-ferrous cutting medium, e.g. tungsten carbide, throughout a matrix of molten, softer non-ferrous material, e.g. cupro-nickel alloy or aluminium bronze, in a vibrating mould; pieces of magnetic material are simultaneously dispersed throughout the matrix and the dispersion is allowed to cool. Instead of adding magnetic material to the matrix a minor proportion of the magnetic material may be alloyed with the matrix; for example an aluminium bronze containing 5% Fe is stated to provide a suitable magnetic matrix.
Patent GB-1143662-A (GB)
IPC: E04G7/30
Abstract: 1,143,662. Stud and socket fasteners. T. C. JUCULANO. 23 June, 1966 [30 June, 1965], No. 28180/66. Headings E1S and E2B. A connector for detachably securing an apertured end portion 12 of a brace 7 to a post 8 comprises a pin 14 fixed to the side of the post and projecting substantially perpendicularly therefrom to enter and pass through the hole in the apertured end of the brace, a sleeve 16 slidable axially on the post and a bifurcated arm 17 fixed to the sleeve with its bifurcated end portion 20 spaced from the post to accommodate the apertured end portion of the brace when the latter is impaled upon the pin, so that upon movement of the sleeve into a position at which the bifurcated end portion of the arm embraces the pin, the brace is secured to the post. In the construction shown the sleeve has a longitudinally extending slot 18 to receive the pin and thereby hold the sleeve against rotation about the post, the slot being in line with the bifurcated end portion of the arm. The distance between the arm and the sleeve can be sufficient to accommodate the apertured ends of the two braces. In a modification a bridging member is secured to the sleeve across the open end portion of its slot 18 and a clamping screw is threaded into the bridging member so that it can bear against the adjacent side of the post and thus prevent movement of the sleeve.
Patent GB-1238283-A (GB)
IPC: F02M41/14
Filed: 1967-09-22
Abstract: 1,238,283. Fuel Injection pumps. C. A. V. Ltd. Sept.13, 1968 [Sept.22, 1967], No.43232/67. Heading F1A. [Also in Division G3] In a cam actuated rotary distributor type fuel injection pump, the injection timing is varied in dependance upon the engine speed and load by angular adjustment of the cam. The cam is connected to a fluid actuated piston 19 spring- loaded in a bore 20, the piston being controlled by a servovalve 23 in a bore 22 in the piston. Upon increase in pressure of a first fluid, which is supplied to the left hand end of the valve 23 via passages 34 and 33 and whose pressure is speed dependant, the valve is moved from its equlibrium position, shown in Fig. 3, against spring 24 to uncover a part 28. Pressurized fluid is then supplied via passages 30, 29 and 27 to the end face of the piston to move it against its spring 21. On decrease in the pressure of the first fluid, spring 24 moves valve 23 to the left and passage 27 is connected to drain via a passage 31. Fluid, pressure dependant upon load, is supplied to the other end of valve 23 via a throttle controlling the fuel delivery to the injection pump and passages 36 and 35, thus allowing the valve to be brought to the equilibrium position in which part 28 is blocked.
Patent GB-1252134-A (GB)
IPC: G05D1/02
Filed: 1968-11-04
Abstract: 1,252,134. Magnetic switches. AMERICAN CHAIN & CABLE CO. Inc. 4 Nov., 1968 [2 Nov., 1967], No. 12867/71. Divided out of 1,252,133. Heading H1N. A proximity switch comprises a vehicle (not shown) carrying a magnet which actuates a contact assembly buried in the floor. The contact assembly, which forms the subject of the invention, comprises a sealed magnetic reed contact unit 105 in a casing 100, magnetic flux guiding members 102 projecting from one end of the casing and extending to the contact unit, and embedding material 106, e.g. epoxy resin, which completely fills the casing 100. The flux guides 102 are adhesively secured to a hollow plastics support 104 surrounding contact unit 105. The support may support a holding coil and associated rectifiers and capacitors. The coil comprises oppositely wound windings with parallel capacitors supplied through oppositely poled rectifiers from an A.C. supply which is energized when the reed contacts open to maintain them open. The contact unit may be a normally closed unit or a bi-stable unit.
Patent GB-1252515-A (GB)
IPC: G03G5/06
Filed: 1969-08-08
Abstract: 1,252,515. Electrophotographic material. EASTMAN KODAK CO. 8 Aug., 1969 [27 Aug., 1968], No. 39791/69. Heading H1K. [Also in Division C2] A photoconductive composition comprises an electrically insulating film forming binder and as a photoconductor a compound comprising a Group III B  atom i.e. B, Al, Ga, In or Th to which is bonded an aryl radical having an amino substituent. Preferred compounds have the formula  wherein Ar is an arylene group; D and E each represent an aryl, alkyl, alkoxy, aryloxy or amino group or a hydrogen atom; M is a Group III B  atom and R 1  and R 2  each represent a hydrogen atom or an alkyl or aryl group. In particular Ar is a phenylene radical which may be substituted by e.g. an alkyl, aryl, alkoxy, aryloxy, or amine group or a halogen atom. Examples of such organometallic photoconductors are tri - p - diethylaminophenylborane; methyl - phenyl - p - diethylaminophenylborane and 2-naphthyl-p-dimethylaminophenylborane. Electrophotographic materials may be prepared in the usual manner from these photoconductive compounds i.e. by blending a dispersion or solution of the photoconductive compound with a binder, and coating the composition on to a support or forming a self-supporting layer. Mixtures of photoconductors can also be employed, and sensitizing compounds may be added. Examples of sensitizers which may be used are pyrylium, thiapyrylium or selenapyrylium salts, fluorenes, carboxylic acids and triphenylmethane dyes. The composition is also sensitive to X-rays and nuclear radiations.
Patent GB-1252878-A (GB)
IPC: D21H17/62
Filed: 1970-06-23
Abstract: 1,252,878. Size; paper. MOBIL OIL CORP. 23 June, 1970 [17 July, 1969], No. 30370/70. Headings D1P and D2B. A paper sizing composition comprises a mixture of an aqueous cationic wax emulsion and an anionic rosin size. The cationic wax emulsion may include petroleum wax, vegetable wax and mineral wax, and the rosin size, may comprise any anionic rosin which has been saponified (either partially or completely) to form a water soluble soap material, e.g. by saponification of abietic acid with an alkali. The rosin size is employed from 5 to 50% and preferably 10 to 35% by weight. The cationic wax emulsion comprises (a) a dispersed phase comprising a petroleum wax; (b) an emulsifying agent comprising an amine salt of an organic acid having 1 to 18 carbon atoms and preferably 1 to 6 carbon atoms, or an inorganic mineral acid, with an amine having 10 to 40, and preferably 20 to 40 carbon atoms; and, if so desired (c) an emulsion modifier comprising an amine having up to 12 carbon atoms and having a molecular weight lower than that of the amino employed for producing the emulsifying agent. The petroleum wax may be modified with polymers, e.g. polyethylene, ethylene-vinyl acetate copolymers. Examples of the organic acid with 1 to 18 carbon atoms are formic acid, acetic acid, propionic acid and butyric acid, and of the inorganic mineral acids are hydrochloric, sulphuric, phosphoric and nitric acids. The acid is employed in an amount sufficient only to react with all of the amine employed for preparing the emulsifying agent. Propylene diamines are used to produce the emulsifying agent and Examples of amines used as the emulsion modifier are dicyclohexylamine, nheptyl-#-amine, n-octylamine, n-dodecylamine, aniline and N-dodecyl 1, 3 propylene #diamine. The emulsion modifier lowers the viscosity and improves the shear stability of the emulsion. The sizing composition is added to paper pulp prior to it being wet-laid to form paper.
Patent GB-1256560-A (GB)
IPC: F02B53/00
Filed: 1969-10-22
Abstract: 1,256,560. Engine turning gear. OLIN CORP. Oct. 22, 1969 [Oct. 22, 1968], No.51811/69. Heading F1K. An engine starting system comprises a breech mechanism including a cartridge receiving chamber 12 for receiving a gas generating cartridge 10, a vane motor 4 capable of being operably connected to an engine 7 to be started, means 6 providing communication between the cartridge receiving chamber and the vane motor and relief valve means 8 for providing discharge of gas from the system when the system pressure reaches a predetermined level. The relief valve 8 may be of spring-loaded poppet type and means may be provided for changing the force exerted by the spring.