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Matches 301 - 350 out of 1,705

Document Document Title
JP2004530824A
Especially, are a dry-type piston compressor for rail vehicles, and it has the crankcase 3 for the crankshaft 15 rotatably 支承 (ed) inside this compressor, To this crankcase 3, the cylinders 4a, 4b, and 4c of the shape of at least one...  
JP2004527692A
The present invention is a piston vacuum pump (1) of a multi-stage type, and An inflow part (71) and an outflow part (70), It has two or more compression stages arranged corresponding to at least one piston pair (2, 3) and the end side o...  
JP3561567B2  
JP3541961B2
PURPOSE: To reduce the generation of composite noise in addition to reduction of incurring of a suction pressure loss and the occurrence of excessive compression by a method wherein one of a valve seat surface and a lead valve is covered...  
JP2004144088A
To provide a multistage piston vacuum pump that is formed so as to allow all the stages to be usable, so that pump characteristics are improved and effective exhaust becomes possible at each stage of an exahsut process.The pump is compri...  
JP2004514089A
A well-known piston compressor generates the high rate in loss heat. This has inconvenient influence on the energy budget of a piston compressor, and in order to protect a piston compressor, in a cooling means, it needs high cost. Theref...  
JP2004116329A
To actualize a small and compact reciprocating compressor for compressing hydrogen used for a fuel cell vehicle.A reciprocating compressor 101 comprises: a crankshaft 2; a connecting rod 3 whose one end is connected to the crankshaft; a ...  
JP2004092652A
To provide a compressor capable of reducing pulsing pressure especially pulsing pressure of suction coolant gas, and noise due to pulsation pressure without increasing overall length and overall volume of a compressor.This compressor inc...  
JP2004092648A
To provide a compressor reducing pulsing pressure of discharge gas and noises due to the same without increasing overall volume of the compressor, with inhibiting pressure drop of a compressed coolant discharged from the compressor, and ...  
JP3503154B2
PURPOSE: To prevent any possible seizure or binding in a sliding-contact part between a shoe and a swash plate from occurring in a yet more accurate manner by reforming both of them in terms of configuration. CONSTITUTION: A shoe has a s...  
JP3475024B2
To improve C.O.P. by making the dimension of a clearance between an upper cylinder and an upper vane and between the upper cylinder and an upper roller larger than the dimension of a clearance between a lower cylinder fixed on the upper ...  
JP3473774B2
PURPOSE: To protect bearing elements and reduce vibration and noise by fitting the lug plate of a compressor in the aligning floatable state to a driving shaft. CONSTITUTION: A variable displacement compressor is provided with a front ho...  
JP3438449B2
To suppress the decrease in a life for a thrust bearing by a method wherein a load executed on the thrust bearing is reduced. The sectional area on the operation chamber 39 side, formed on the external drive source side (the shaft seal 1...  
JP2003519740A
(57) Summary book invention has a crankshaft and two or more cylinders which have a piston which moves in the inside of a cylinder, and relates to the piston mechanism for two-step piston compressors in which two or the low-pressure cyli...  
JP3416738B2
To provide a variable displacement swash plate compressor easy in structure and working and capable of preventing torsion and bending moment of a swash plate. This compressor includes a swash plate 34 which is slidably fitted on a drive ...  
JP2003161258A
To sufficiently improve compressing efficiency while satisfying demands such as miniaturization and cost reduction.A cylinder 11 and a piston 12 are formed into bottomed cylindrical shapes, the piston 12 is fitted from a bottom side of t...  
JP2003518228A
(57) Are a summary dry type compression mold vacuum pump, and Continuous or gradual internal compression equipment, The gas ballast (8) equipped with the cutoff valve (11) is prepared, gas ballast (8) is additionally equipped with revers...  
JP2003148334A
To provide a swash plate type compressor capable of improving sealing performance by separately supplying oil included in refrigerant gas to a sliding surface of a rotary valve and a housing, that is, a clearance part of the rotary valve...  
JP2003517133A
(57) Summary book invention is the compression equipment for compressed air generating, and the composition consists of the compressor of an internal-combustion engine drive. This compressor is connected with a compressed air discharge m...  
JP2003139058A
To provide a lubricating oil supply device of an opposed reciprocating compressor smoothly supplying lubricating oil between a cylinder and pistons.This lubricating oil supply device of the reciprocating compressor is provided with recip...  
JP2003505630A
(57) Summary book invention the gas stream of the entrance temperature t in two compression stages using a liquid pressure drive type reciprocation compressor from the inlet pressure p to the intermediate pressure p after the 1st compres...  
JP2003503640A
(57) Two cylinders and piston system (1, 3) which carry out summary continuous action are operated with a crankshaft by the phase difference of the minimum or zero.  
JP2002303268A
To provide a multicylinder compressing device capable of increasing a gas inflow into a housing without enlarging a suction opening of a bearing plate.A plurality of suction openings 12a are circumferentially provided with certain interv...  
JP3331582B2  
JP3331489B2  
JP2002531773A
(57) A summary reciprocating compressor may produce the outflow which does not have a stationary state, continuation, and pulsation in a small flow rather than 25 gallons/h. This compressor uses at least two pistons mostly driven in the ...  
JP2002250275A
To realize a small size of dimension in a direction perpendicular to a longitudinal direction of a shaft in a compressor reciprocating a piston.A radial component alone of a shaft 105 of a motion transmitted from a rotation member 109 ro...  
JP2002130127A
To provide a shaft extension mounted to a crankshaft for enabling the crankshaft of an electric motor driven air compressor to be extended axially for engagement with an outer rotary bearing.The electric motor driven air compressor 10 in...  
JP2002031061A
To solve the problem of a rotary shaft member driven by an electric motor which has possibility to cause vibrations and swinging during rotation, and rotor rubs the stator which may extent a bad influence upon the motor operation because...  
JP3236253B2
To adjust the capacity of a compresser in plural stages by comprising a group of the first and second compressing cylinders respectively composed of two compressing cylinders, and opening and closing the first and second cylinder passage...  
JP2001522968A
(57) Summary book invention relates to the medium for an internal combustion engine and other low-temperature systems, and a high-pressure liquid natural gas fuel system. A container for a low-temperature pump to accommodate (a) compress...  
JP2001254673A
To apply a hermetic compressor to a multi-pressure refrigerating system, to improve in efficiency, reduce in consumption power, and improve in reliability.A motor 30, a first compression element 31, and a second compression element 32 ar...  
JP3205122B2
PURPOSE: To provide a closed type motor-driven compressor capable of reducing the dead volume of a delivery port by the protrusion of a piston while the restrictions of suction and delivery lines, etc., are eliminated, suppressing the lo...  
JP2001513862A
(57) Summary book invention relates to the vacuum pump which equips at least one suction room (7, 8, 23*26) and at least one suction room with a 隣接した room (3, 5, 27). The vacuum pump is equipped with gas ballast equipment in orde...  
JP2001207960A
To provide an air conditioner capable of performing heating and cooling with more efficiency without remarkably dropping volumeric efficiency in a using range of heating and cooling and being miniaturized, in an air conditioner within a ...  
JP2001207956A
To provide a variable displacement swash plate compressor easy in structure and working and capable of preventing torsion and bending moment of a swash plate.This compressor includes a swash plate 34 which is slidably fitted on a drive s...  
JP2001193638A
To provide a multistage piston compressor equipped with an enhanced performance by reducing the leak loss between a cylinder bore and piston and also the mechanical loss. A plurality of pistons 25 and 26 compress the refrigerant while th...  
JP2001182653A
To provide a multistage compressor capable of reducing a manufacturing cost of a piston, a piston ring and a bore. A two-stage compressor 1 is constituted so that an outer diameter of a first piston 12 slidable in a first bore 11 and an ...  
JP2001173557A
To provide a multi-stage compressor and multi-stage compressing method capable of reducing the size of a housing even in the case of providing a communicating chamber for communicating a compression chamber for performing compression of ...  
JP2001159391A
To improve joint strength between a head body part and blocking members manufactured by die casting.A material for manufacturing a single head piston is provided with a body member 162 and the blocking members 164. The body member 162 an...  
JP2001099056A
To provide a piston excellent in durability, lightweight, and manufacturable at low cost. This piston 14 comprises an engagement part 70 to be engaged with a swash plate through a pair of shoes and a head part 72 to be fitted to a cylind...  
JP2001090654A
To provide a manufacturing method for forming a piston-body member into a shape by which its weight can be reduced. With the body member 162 of a single-head piston manufacturing raw material, the bottom face 176 of a head body forming p...  
JP2001082332A
To prevent the inner surfaces of a cylinder from being worn by forming a plurality of labyrinth grooves in the peripheral surface of a piston and chamfering the corners of the opening end parts of the labyrinth grooves. A plurality of la...  
JP2001065452A
To increase the durability of an engaged part of a piston for swash plate type compressor. This piston is formed so that a single head piston manufacturing material for manufacturing a single head piston 14 is manufactured by die cast. A...  
JP2001050157A
To suppress a neck part of a piston to deform by bending force of inertia force, and improve durability by forming each spherical seat surface in a single spherical shape, in a device wherein a pair of spherical seat surfaces are recesse...  
JP2001050158A
To prevent generation of lock caused by seizure and plastic deformation of a piston by arranging a lubricating layer for improving sliding performance between a pair of shoe seats recessed on front and rear sides of a piston, and a proje...  
JP3120697B2  
JP2000283257A
To lower noise, secure durability, and heighten transmission efficiency and operation efficiency. A lever member 11 of a pivotal fulcrum type lever device is so constructed that a force point Q is caused to make a circular movement by ro...  
JP2000218644A
To eliminate the defects of a well known pressed sheet material and achieve a long life in a layer member, especially, a printed sheet of improved quality. This pressing tool manufactures a flat layer member with a coating formed on at l...  
JP3066879B2  

Matches 301 - 350 out of 1,705