baber/WOPTO huggingface dataset:
Patent IT-1260125-B (IT)
Title: Process and equipment for gauging and flattening tiles and slabs of ceramic or stone material
Inventor: TONCELLI LUCA
IPC: B28D/
Filed: 1992-03-23
Granted: 1996-03-28
Abstract: For gauging and flattening tiles and slabs of ceramic or stone material, especially those of large size, the tiles are first subjected to the action of fixed diamond- bearing rollers which have their axis perpendicular to the direction of advance of the tiles or slabs and are subsequently subjected to the action of at least one pair of rotating flattening and smoothing heads mounted in a laterally offset position with respect to the centre line of the tiles or slabs and operating over circular areas which overlap the said centre line, the directions of rotation of the said pair of rotating heads being opposite and such as to engage the edges which are to be flattened from the inside towards the outside with reference to the tile or slab. <IMAGE>
Patent IT-1253439-B (IT)
Title: Machine for making bases for the production of reinforced concrete joists
IPC: B28B/
Filed: 1991-10-24
Granted: 1995-08-08
Abstract: Machine for making bases for the production of reinforced concrete joists, characterised by the fact that it comprises: - a conveyor belt 1 for feeding bases 2 arranged aligned with the opening turned upwards, said conveyor belt being placed between a base feed station 3 and a base accumulation station 4, - a device 9, 10 for detecting the length of the bases carried by the conveyor belt, - a base gripping, lifting and cutting device 6, mobile parallel to the conveyor belt, - means of control 11 which, when the detector device 9, 10 detects that the preset length of the joist has been reached on a base, command in succession: the activation of the gripping, lifting and cutting device 6, and the simultaneous stroke in a direction in accordance with the conveyor belt until the base has been cut, the positioning, behind the previous bases, of the portion 2' of base cut downstream from the cutting element, the return stroke of the gripping, lifting and cutting device 6, and the positioning of the remaining part 2" of base at the entrance end of the conveyor belt. <IMAGE>
Patent MX-168397-B (MX)
Title: Aglutinantes mejorados para nucleos y moldes de fundicion
Inventor: MORLEY JOHN GLYN
IPC: B22C1/20
Filed: 1985-04-11
Abstract: La presente invención se refiere a un método para formar un molde o núcleo de fundición, que comprende agregar a las partículas refractarias un aglutinante, que incluye una sal de un metal alcalino de un ácido orgánico polibásico o de un ácido orgánico monobásico polimerizado, junto con un hidróxido de un metal alcalinotérreo y uno o más óxidos de un metal polivalente y agua y pasar un gas ácido a través del cuerpo resultante, el ácido orgánico teniendo un pKa no menor de 2.5 y la solución de al sal de metal alcalino, antes de la adición del hidróxido de metal alcalinotérreo, teniendo un pH no menor de 5.7, caracterizado porque está presente el citrato de calcio en la aglutinante y el peso total del hidróxido del metal alcalinotérreo, el citrato de calcio y el o los óxidos de metal polivalente, comprendiendo entre 25 y 500 por ciento del peso de la sal del ácido orgánico.
Patent PT-103432-B (PT)
Title: Metodologia de optimização de composição granulométrica de um betão refractário auto-escoante de alumina sem cimento
Inventor: SILVA ABILIO MANUEL PEREIRA DA
IPC: G05D11/02
Filed: 2006-02-09
Abstract: A PRESENTE INVENÇÃO CONSISTE NO DESENVOLVIMENTO DE UMA METODOLOGIA DE OPTIMIZAÇÃO DA COMPOSIÇÃO GRANULOMÉTRICA DE UM BETÃO REFRACTÁRIO CONSTITUÍDO POR ALUMINA TABULAR E REACTIVA, SEM CIMENTO, COM O OBJECTIVO DE MAXIMIZAR A FLUIDEZ DA PASTA FRESCA E MINIMIZAR A ÁGUA. A INOVADORA METODOLOGIA APLICADA ATRAVÉS DE UM PROCEDIMENTO DE MISTURA INTERMITENTE, BASEIA-SE NA MODELAÇÃO ESTATÍSTICA DE EXPERIÊNCIAS COM MISTURAS, DETERMINANDO-SE A EQUAÇÃO MATEMÁTICA DE UMA PROPRIEDADE EM FUNÇÃO DUM SISTEMA DE INGREDIENTES. O CONTROLO DA DISTÂNCIA MÉDIA ENTRE AGREGADOS (MPT) E DA ÁREA SUPERFICIAL (SSA), PERMITE OBTER A RECEITA IDEAL PARA A COMPOSIÇÃO. O MÓDULO DE DISTRIBUIÇÃO (Q) PODE SINTETIZAR ESTA INFORMAÇÃO (MPT E SSA), DESDE QUE SSA SEJA MAIOR QUE 2.22M2/G, ESSENCIAL PARA QUE A MISTURA ATINJA O PONTO DE VIRAGEM AUTO-ESCOANTE. O ÍNDICE DE FLUIDEZ É MÁXIMO PARA MPT MÁXIMO, CARACTERIZANDO-SE POR UM Q ENTRE 0.21 E 0.25 PARA A MATRIZ E DE 0.22 PARA O AGREGADO.
Patent PT-106513-B (PT)
Title: Optimização ao longo da vida da dissipação de potência ou da performance em circuitos integrados digitais síncronos
Inventor: TEIXEIRA JO O PAULO CACHO
IPC: G01R31/28
Filed: 2012-08-29
Abstract: A PRESENTE INVENÇÃO REFERE-SE A UM SISTEMA PARA OPTIMIZAR DE FORMA DINÂMICA A OPERAÇÃO AO LONGO DA VIDA DE CIRCUITOS INTEGRADOS DIGITAIS SÍNCRONOS, PERMITINDO QUE OS CIRCUITOS SEJAM OPTIMIZADOS DE ACORDO COM DUAS NECESSIDADES POSSÍVEIS: (I) RESTRINGIR A DISSIPAÇÃO DE POTÊNCIA, REDUZINDO A TENSÃO DE ALIMENTAÇÃO PARA O VALOR MÍNIMO QUE IMPEDE A OCORRÊNCIA DE ERROS; OU (II) AUMENTAR O DESEMPENHO (PERFORMANCE), AUMENTANDO A FREQUÊNCIA DE OPERAÇÃO ATÉ AO LIMITE MÁXIMO QUE GARANTE A OPERAÇÃO SEM ERROS. O MÉTODO INCLUI A ARQUITECTURA QUE PERMITE A OPTIMIZAÇÃO POSSÍVEL, CONSTITUÍDA POR UM CONTROLADOR, UM BLOCO DE SENSORES GLOBAIS E POR VÁRIOS SENSORES LOCAIS LOCALIZADOS EM DETERMINADOS FLIP-FLOPS DO CIRCUITO. OS SENSORES GLOBAIS SÃO UTILIZADOS PARA REALIZAR A MONITORIZAÇÃO PERIÁDICA (A PEDIDO) DOS ATRASOS NO CIRCUITO DIGITAL. OS SENSORES LOCAIS SÃO UTILIZADOS PARA REALIZAR A MONITORIZAÇÃO CONSTANTE DOS ATRASOS NOS CAMINHOS MAIS LONGOS DO CIRCUITO, SEMPRE QUE ESTES SÃO ACTIVADOS, E PARA CALIBRAR OS SENSORES GLOBAIS. TODOS OS SENSORES SÃO SENSÍVEIS A VARIAÇÕES PVTA (VARIAÇÕES NO PROCESSO DE FABRICAÇÃO DO CIRCUITO INTEGRADO - P, NA TENSÃO DE ALIMENTAÇÃO - V, NA TEMPERATURA - T E VARIAÇÕES PROVOCADAS PELO ENVELHECIMENTO DOS CIRCUITOS - A) E PODEM DESENCADEAR A SINTONIA DA TENSÃO DE ALIMENTAÇÃO OU DA FREQUÊNCIA DE OPERAÇÃO, DURANTE A VIDA DO PRODUTO (CIRCUITO INTEGRADO DIGITAL). A MONITORIZAÇÃO EFECTUADA PELO BLOCO DE SENSORES GLOBAIS FORNECE UMA AVALIAÇÃO GROSSEIRA DO ESTADO DE FUNCIONAMENTO DO CIRCUITO, ENQUANTO OS SENSORES LOCAIS, QUANDO ACTIVADOS, FORNECEM UMA AVALIAÇÃO FINA SOBRE QUAL A PERFORMANCE DO CIRCUITO PARA EVITAR ERROS FUNCIONAIS. A INSERÇÃO DOS SENSORES LOCAIS É REALIZADA ATRAVÉS DE UMA ANÁLISE DE PREVISÃO DE ENVELHECIMENTO, PERMITINDO NÃO SÓ A IDENTIFICAÇÃO DOS CAMINHOS CRÍTICOS, MAS TAMBÉM OS CAMINHOS QUE ENVELHECEM MAIS RÁPIDO (E QUE SE TORNARÃO CRÍTICOS COM O ENVELHECIMENTO DO CIRCUITO) . A ARQUITECTURA DOS SENSORES PROPOSTOS É TAL QUE AS VARIAÇÕES PVTA QUE OC ORREM SOBRE ELES FAZEM AUMENTAR A SUA CAPACIDADE DE PREVER O ERRO, OU SEJA, OS SENSORES VÃO-SE ADAPTANDO AO LONGO DA SUA VIDA ÚTIL PARA AUMENTAREM A SUA SENSIBILIDADE.
Patent PT-107496-B (PT)
Title: Suporte para recipientes de máquina de preparação de bebidas e método de utilização do referido suporte para recipientes
Inventor: RUI MIGUEL NABEIRO
IPC: A47J31/44
Filed: 2014-03-05
Abstract: A PRESENTE INVENÇÃO REFERE-SE A UMA MÁQUINA (1) DE PREPARAÇÃO DE BEBIDAS, COMO POR EXEMPLO CAFÉ TIPO EXPRESSO, CHÁ E SIMILARES, POR MEIO DE EXTRAÇÃO DE EMBALAGENS DE PORÇÃO INDIVIDUAIS CONTENDO UMA RESPETIVA SUBSTÂNCIA AROMÁTICA. A MÁQUINA (1) DE PREPARAÇÃO DE BEBIDAS APRESENTA UM CORPO (2) DE MÁQUINA E PROPORCIONA AS REFERIDAS BEBIDAS ATRAVÉS DE PELO MENOS UMA RESPETIVA DESCARGA (3) DE BEBIDA PROPORCIONADA A UMA DETERMINADA ALTURA ACIMA DE UM SUPORTE (4) DE RECIPIENTES. A REFERIDA MÁQUINA (1) DE PREPARAÇÃO DE BEBIDAS DISTINGUE-SE POR APRESENTAR UM SUPORTE (4) DE RECIPIENTES ADAPTADO DE MODO QUE PELO MENOS PARTE DO MESMO PODE SER RODADA EM TORNO DE UM EIXO VERTICAL DISPOSTO DE FORMA CENTRADA RELATIVAMENTE AO SUPORTE (4) DE RECIPIENTES, DESSE MODO PROPORCIONANDO UMA CONSTRUÇÃO MAIS ROBUSTA E UMA UTILIZAÇÃO MAIS FÁCIL DE RECIPIENTES DE DIFERENTES ALTURAS. A PRESENTE INVENÇÃO REFERE-SE AINDA UM MÉTODO DE UTILIZAÇÃO DO REFERIDO SUPORTE PARA RECIPIENTES.
Patent TW-434254-B (TW)
Title: Very large scale immobilized polymer synthesis
Inventor: PIRRUNG MICHAEL C
IPC: C12Q1/68
Filed: 1990-06-29
Granted: 2001-05-16
Abstract: A method and apparatus for preparation of a substrate containing a plurality of sequences. Photoremovable groups are attached to a surface of a substrate. Selected regions of the substrate are exposed to light so as to activate the selected areas. A monomer, also containing a photoremovable group, is provided to the substrate to bind at the selected areas. The process is repeated using a variety of monomers such as amino acids until sequences of a desired length are obtained. Detection methods and apparatus are also disclosed.
Patent TW-201367-B (TW)
IPC: H01L21/3065
Filed: 1992-01-28
Granted: 1993-03-01
Abstract: An electron cyclotron resonance plasma generator is provided in a semiconductor wafer plasma processing apparatus and cluster tool module, particularly for use in soft etching. The generator generates a uniform plasma by rotating a plasma producing resonance supporting magnetic field about the axis of a resonance cavity within the vacuum chamber of a plasma processor. The rotated field preferably is a single-cusp or multicusp field. Gas uniformly flows into and through the cavity from a gas distribution shower. Microwave energy is evenly divided and coupled into the cavity in a TM01 mode by a plurality of axially and radially aligned loops.
Patent TW-222724-B (TW)
Title: Power transformer
Inventor: WU BIING-TSANN
IPC: H02M1/08
Filed: 1993-04-29
Granted: 1994-04-21
Abstract: One type of power transformer with piezoelectric ceramic transformerconsists of: 1. current amplifier; 2. driving coil, one end of which is connected to the collector oftransistor in current amplifier; 3. piezoelectric ceramic transformer connected to the other end of drivingcoil; 4. oscillating feedback coil, one end of which is connected to the PCTto constitute the feedback circuit, the other end is connected to thebase of transistor in current amplifier to constitute the oscillatingcircuit; 5. one comparison voltage generator; 6. one comparison voltage amplifier; 7. one output current controller; 8. one voltage adjuster; 9. one output current controller; 10. one base voltage generating circuit; It features that the voltage current generated from the piezoelectricceramic transformer generates one comparison voltage, then it is amplifiedand compared to the base voltage generated from the base voltage generatingcircuit. The resulting control voltage is through the voltage adjuster toprovide the base potential of transistor in current amplifier to achievethe current control purpose. By changing the comparison voltage from thecomparison voltage generator, the output current is changed.
Patent TW-217428-B (TW)
Title: Automatic bobbin exchanging method and apparatus
Inventor: KATSUTOSHI YOSHIDH
IPC: D07B7/16
Filed: 1993-08-05
Granted: 1993-12-11
Abstract: An automatic bobbin exchanging method, which comprises: the process of letting the exchange used empty bobbin E waiting around the twisting machine or the collecting machine 2; during the exchanging process, the empty bobbin E and full bobbin B are constantly kept at a distance L with the horizontal shaft; the process of the full bobbin B removed from the twisting machine or the collecting machine 2 moving to exchange operation station 3; during the moving period, the process of constantly extending twisting thread or collecting thread 1; the process of pressing the extended twisting thread or collecting thread 1 on the full bobbin B and maintaining the prescribed distance and following movement of inside of protrudent plate of the empty bobbin E; the process of cutting the twisting thread or collecting thread 1 and fixing its end on full bobbin B exterior; the process of hooking the twisting thread or collecting thread 1 and pulling to the outside of protrudent plate of the empty bobbin E; and the process of rotating the empty bobbin E to collect twisting thread or collecting thread 1 and in the mean time descending it to be installed on the twisting machine or the collecting machine 2.
Patent TW-254964-B (TW)
Title: Stereolithographic seal and support structure for semiconductor wafer
IPC: C09D175/04
Filed: 1993-08-31
Granted: 1995-08-21
Abstract: Aqueous coating compound containing a polyurethane resin-based binder of I) from 60 to 100% by weight of a mixture of A) from 5-95% by weight of one or more self-emulsifying polyurethane resins in aqueous dispersion having a number average molar mass (Mn) of from 30000 to 300000 and containing carboxyl groups corresponding to an acid number of from 5 to 50, obtainable from a water dispersible polyurethane prepolymer having more than one free isocyanate group per molecule, by chain lengthening with water and B) from 95 to 5% by weight of one or more acrylated polyesters and/or acrylated polyurethanes having an acid number of from 5 to 50 in aqueous dispersion and II) from 0 to 40% by weight of one or more formaldehyde condensation resins and/or blocked polyisocyanates, the percentages by weight being based in each case on the resin solids content. The coating compounds are suitable in particular as basic lacquers for multi-coat lacquering. Coatings with good weather resistance are produced from them.
Patent TW-247333-B (TW)
Title: Working process of slope grid beam double anchors and its apparatus
Inventor: LU SHYI-HUANN
IPC: E02D5/76
Filed: 1993-11-15
Granted: 1995-05-11
Abstract: A working process of slope grid beam double anchors and its apparatus, which comprises the following working steps: (1) digging first row location on the upper section of a slope for installing ground anchor; (2) applying or spraying cement slurry on the dug ground surface; (3) drilling holes on the location to be installed with the ground anchor, installing anchor pipe, and infusing in cement slurry; (4) installing load plate on the hole opening of the drilled hole and fixing the load plate on the external end of the anchor pipe; (5) continuously drilling from the center hole of anchor pipe to the hole opening until certain depth has been reached, inserting reinforced steel keys and infusing in cement slurry; (6) digging second row of ground for ground anchors, repeating steps (2) to (5), locking the first row of ground anchors, digging third row of ground for ground anchors, repeating steps (2) to (5), locking the second row of ground anchors, and so forth; (7) after completion of comprehensive or local ground anchors reinforcement locking, installing lateral and longitudinal steel cages among the load plates, and installing mold plates outside the steel cages; (8) infusing cement slurry into the mold plates and forming grid beam with the steel bars; (9) installing load plates at each ground anchor location on the grid beam, installing anchor wire holder on the load plates and locking the steel key reinforcement, covering the anchor wire holder at the outmost end.
Patent TW-256787-B (TW)
Title: Process of separating mixtures containing light and heavy matters and its device
Inventor: KUNIKOME KANJI
IPC: B04C1/00
Filed: 1994-03-02
Granted: 1995-09-11
Abstract: A process of separating mixtures containing light and heavy matters, which is characterized in: allowing the head fluid to flow upward from the lower section in the container and the heavy matters in the processing material to sediment in the same direction as the flow direction of the head fluid in order to increase the apparent specific gravity of the heavy fluid, and using a specific point larger than the specific gravity of the heavy fluid as the breaking point to throw in processing material from above to be separated into sedimented heavy matters and buoyant light matters.
Patent TW-355799-B (TW)
Title: Direct reading device for the colored resistance representation
Inventor: Liao tian-fu
IPC: H01C1/04
Filed: 1994-03-25
Granted: 1999-04-11
Abstract: A device for directly reading the colored resistance representation, featuring: "decimal point zone, unit arrangement color strip - synchronous coupler" that is installed on the reading device which is so arranged that the value can be directly read by looking up in the table for range that covers from minimum to maximum resistance values, without going through multiplication or fraction conversion.
Patent TW-253077-B (TW)
Title: Printed circuit dipole antenna
Inventor: TAMMY E COUTURE
IPC: H01Q1/24
Filed: 1994-07-26
Granted: 1995-08-01
Abstract: A paging receiver (100) comprises a printed circuit board (200) on which receiving circuitry (110) is mounted. The printed circuit board (200) comprises a plurality of conductive runners (205,210,305,310) which form a dipole antenna (105) for providing radio frequency signals to the receiving circuitry (110). First and second elongated runners (205,210) are plated on a first surface (215) of the printed circuit board (200) along a single axis. Third and fourth elongated runners (305,310) are plated on a second surface (300) of the printed circuit board (200) parallel to and beneath the first and second elongated runners (205,210), respectively. The first and third runners (205,305) are electrically coupled via a first plated hole (230) to form a first monopole element of the dipole antenna (105) for providing the signals to the receiving circuitry (110), and the second and fourth runners (210,310) are electrically coupled via a second plated hole (240) to form a second monopole element of the dipole antenna (105).
Patent TW-279216-B (TW)
Title: Remote controller
Inventor: HER GWO-PYNG
IPC: G06F15/18
Filed: 1995-03-25
Granted: 1996-06-21
Abstract: A remote controller with anti-copy function comprises of: one antenna circuit for emitting or sensing signal; one amplifying/filtering/frequency converting circuit for amplifying signal, then sending it out; one waveform processing circuit for receiving the signal sent by the above amplifying/filtering/frequency converting circuit; one key-press circuit for locking source end signal, supplying to compare with the signal sent by waveform processing circuit; one CPU with built program could recognize and decode received signal waveform; one memory unit for memorizing and storing the above signal; it features that the CPU receives and recognizes, decodes received signal waveform, then interleaving one identification code between the signals, and making the frequency recognition accuracy of the combined signal be among copy machine and receiving machine'srecognition accuracy, making its remote control function be same with source machine, but the combined signal could not be recognized by other copy machine to be copied.
Patent TW-333521-B (TW)
Title: Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation
Inventor: RUSSELL C FORSYTHE
IPC: C01F11/10
Filed: 1995-05-11
Granted: 1998-06-11
Abstract: A method of removing sulfur dioxide from a gaseous stream with a magnesium-enhanced lime scrubbing medium so as to produce a gypsum by-product comprising: passing the gaseous stream through a wet scrubbing unit while contacting the gaseous stream with an aqueous slurry of magnesium-enhanced lime, where the aqueous slurry contains between 13-20 percent by weight calcium sulfite solids, and with magnesium sulfite and magnesium sulfate dissolved therein; directing the aqueous slurry, after contact with the gaseous stream, to a hold tank and adding lime and magnesium thereto to replenish reacted lime and magnesium; recycling the replenished aqueous slurry to the wet scrubbing unit for further contact with the gaseous stream passing therethrough; removing a bleed stream of the aqueous slurry, containing calcium sulfite, magnesium sulfite and magnesium sulfate, and having a pH of between 4.5-5.6, from the wet scrubbing unit, after contact with the gaseous stream and prior to directing the same to the hold tank; passing the removed aqueous slurry directly to an oxidizing unit, without separation of calcium sulfite solids, magnesium sulfite and magnesium sulfate therefrom; oxidizing the calcium sulfite and magnesium sulfite to produce gypsum and magnesium sulfate, the gypsum precipitating as a solid and the magnesium sulfate dissolving in the aqueous medium; removing any residual solids and the gypsum from the aqueous slurry to produce a clarified solution; separating the gypsum from residual aqueous medium and returning the separated aqueous medium to the wet scrubbing unit; and returning the clarified solution along with the separated aqueous medium to the wet scrubbing unit for admixture with the aqueous slurry.
Patent TW-293847-B (TW)
IPC: C21B5/02
Filed: 1995-10-03
Granted: 1996-12-21
Abstract: Liq. pig iron or steel is produced by adding iron ore in pieces or pellets together with additive into a redn. zone (12) where sponge iron is produced which is then fed into melting zone (8) with carbon and O2-contg. gas. A CO-contg. and H2-contg. redn. gas is produced and passed back to the redn. zone (12) where it is converted to an export gas which is drawn off and subjected to a CO2 eliminating process before being passed to a further redn. zone (21) for direct redn. of more iron ore. A part of the redn. gas produced in the zone (8) is drawn off and fed directly to the zone (21), by-passing the CO2 elimination stage. The plant for carrying out this process is also claimed.
Patent TW-403757-B (TW)
Title: Optically active benzothiepin derivative, its preparation and use
Inventor: SOHDA TAKASHI
IPC: C07D497/02
Filed: 1995-12-20
Granted: 2000-09-01
Abstract: This invention relates to an optically active benzothiepin derivative represented by the formula: wherein R represents a lower alky1 group; R1 and R2 independently represent a lower alky1 group, or together represent a lower alkylene, which exhibits excellent osteogenesis-promoting action and is useful as a prophylactic or therapeutic drug for bone diseases.
Patent TW-394764-B (TW)
Title: Oxygen-containing heterocyclic derivatives
Inventor: ANDO RYOICHI
IPC: C07D307/68
Filed: 1996-02-01
Granted: 2000-06-21
Abstract: An oxygen-containing heterocyclic derivative represented by general formula (I), a salt thereof, a solvate thereof or a hydrate thereof: wherein R1 represents hydrogen, A, B, etc., (wherein R8 represents C1-20 alkyl, aryl, etc); R2, R4 and R6 represent each hydrogen, C1-5 alkyl, etc.; R3 and R5 represent each hydrogen, C1-20 alkyl, etc.; R7 represents hydrogen, C, etc. (wherein R9 represents C1-10 alkyl); A represents C1-3 alkylene; and n is 0 or 1,  The derivative, which has a potent inhibitory effect on a cysteine protease and is excellent in oral absorbability, tissue transmigration properties and cell membrane-permeability, is useful as a remedy for apoplexy, Alzheimer's diseases, etc.
Patent TW-297079-B (TW)
Title: Auxiliary starter of a motorcycle
Inventor: KAMITA MINORU
IPC: F02N/
Filed: 1996-02-17
Granted: 1997-02-01
Abstract: An auxiliary starter mounted on the carburetor of a motorcycle comprising an auxiliary start valve capable of opening or shutting down the passage to the carburetor and a waxed component to shift the start valve onward or backward, in which the character of the starter being that the start valve can be stopped or be slowed down by a jump-over mechanism coupled to the starter before the opening of the passage from the auxiliary starter is to be closed completely or almost completely so as to make the stroke movement of the valve varied gradually.