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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...
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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 ...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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JP3120697B2 |
A swash plate type compressor includes an oil separating chamber connected to the discharge chamber for separating lubricant oil from refrigerant gas. A first oil reserve chamber receives the separated oil. A second oil reserve chamber i...
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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...
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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...
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JP3066879B2 |
A variable capacity swash plate type compressor having compression chambers formed on one side of the plungers only, and control chambers for controlling the capacity of the compressor provided on the other side of the plungers. The capa...
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JP3059116B2 |
A thermostatically controlled intercooler system for use with a multiple stage compressor to prevent the condensation of water from the compressed gas, such as air, within the system, whereby the temperature of a compressed gas entering ...
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JP2000179453A |
To improve seizure resistance and abrasion resistance by covering aluminum alloy including a prescribed quantity of Si and having granular Si dispersed therein, and a thermal spraying layer including a dispersed phase composed of carbona...
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JP3053379B2 |
To provide a simplified multi-stage compressor in which suction gas can be flowed through a crank case. A compressor 12 has a plurality of cylinder banks LS-1 and LS-2 and irrespective of presence or non-presence of an economizer 30, the...
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JP3043900B2 |
PURPOSE: To improve supply of lubricating oil to a shoe part at conversion of reciprocating motion to rotary motion by providing the shoe between a swash plate supported by a rotation shaft of a swash plate device and a recess part of a ...
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JP2000064957A |
To enhance a variable controllability of a displacement by ensuring the feeding of high pressure refrigerant gas to a crank chamber in a variable displacement swash plate compressor of an extraction side control system. An introduction q...
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JP2000064962A |
To provide an 'intelligent' air compressor capable of carrying out a self-diagnosis of a dangerous state existing in the compressor. This device for monitoring a state of an air compressor is provided with a plurality of sensors 12, 14, ...
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JPH11294324A |
To improve the oil feeding capacity of a gear pump at the starting time of a compressor, and to prevent the seizure owing to an oil shortage. A seal member 90 composed of a seal plate 91 opposing to one end face of a gear pump 40, and a ...
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JP2937486B2 |
There is presented a gas compressor including a housing defining adjacent first and second chambers in axial alignment, a rod extending through the first chamber and into the second chamber, a tubular projection extending from a first en...
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JP2907417B2 |
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JP2594568Y2 |
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JP2882748B2 |
The purpose of a two-stage positive displacement pump (1) is, in particular, to cooperate with a turbomolecular drag pump (2) which can be connected upstream thereof. In the arrangement, the two-stage positive displacement pump (1) is de...
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JP2877751B2 |
A cryogenic pump is disclosed for pumping liquified gas from one container to another container or a point of use. The pump has a main housing (12) defining a cylinder in which a hollow piston (34) is reciprocable by means of a piston ro...
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JP2872341B2 |
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JPH1162847A |
To avoid interruption of the operation of a multiple stage compressor by avoiding the stop of the multiple stage compressor caused by overload of a driving motor, to be generated caused by large torque to be generated in starting of the ...
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JPH10184554A |
To suppress power loss to a small degree by putting an auxiliary pump in pumping action only when the delivery pressure of a main pump is small. A by-pass passage 46 is provided between an intake passage and a discharge passage. A spool ...
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JP2771491B2 |
In a positive displacement compressor having a plurality of banks, operation can be multi-stage or single stage. Single stage operation can be of a single bank or plural banks in parallel. Switch-over between modes of operation is under ...
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JP2766791B2 |
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JP2746948B2 |
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JP2569455Y2 |
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JPH1047243A |
To realize a variable capacity function at a low cost in a two-stage swash plate compressor. The diameter size of a first piston part 8b is made larger than the diameter size of a second piston part 8a, thereby opening and closing a by-p...
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JPH109147A |
To continuously control the flow rate of a reciprocating compressor while not causing much power loss thereof with a simple structure, by setting the suction pressure thereof within a preset range to continuously control the flow rate in...
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JPH102281A |
To enhance the efficiency of a pump by adding a half-wave rectification AC pulse current to a solenoid actuator during a half-cycle of a piston, while by utilizing the force exerted by a spring during the other half-cycle of the piston, ...
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JPH09303261A |
To allow the use of a small drive motor and prevent the occurrence of liquid leakage by forming the piston diameter of a post-stage cylinder to be smaller than the piston diameter of a pre-stage cylinder, regarding a vacuum pump with the...
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JPH09287570A |
To prolong the life of connecting rod small end part bearings by respectively providing a needle bearing with a grease sealed type retainer on a low pressure side piston, and a grease sealed full type roller needle bearing on a high pres...
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JPH09170550A |
To provide a steam pressure drive pump with little loss of steam for driving, a small number of sliding and switching parts and of a long life. A steam supply pipe 12 is connected to pressure chambers 2, 3 through a three-directional con...
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JP2622719B2 |
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JPH09112430A |
To reduce noise and vibration by providing ring shaped members, in which discharging ports, the number of which is equal to that of cylinders and which are communicated with respective cylinders of a multicylinder reciprocating compresso...
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JPH0979145A |
To reduce a load when a load of an electric motor becomes large by detecting a load condition of the electric motor during operation. Two-stage compression spaces to compress and deliver intake air by a piston-cylinder mechanism actuated...
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JPH09502237A |
PCT No. PCT/EP94/02174 Sec. 371 Date Nov. 27, 1995 Sec. 102(e) Date Nov. 27, 1995 PCT Filed Jul. 2, 1994 PCT Pub. No. WO95/06204 PCT Pub. Date Mar. 2, 1995A gas compressor includes a housing, a separating element in the housing, and a pi...
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JPH08240182A |
PURPOSE: To reduce noise, and improve assembling workability, in the intake device of a compressor. CONSTITUTION: An intake pipe 12 arranged on the enclosing case 1 of a compressor main body is bent, the opening part of the intake pipe 1...
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JP2503204B2 |
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JPH08109873A |
PURPOSE: To effect blowing of quantities of air and soot, generated from a combustion object, with a pressure through a simple device. CONSTITUTION: In a water tank A, an axis H is attached to the upper part of a cylinder B and by vertic...
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JPH0893644A |
PURPOSE: To provide a compressor for a HFC refrigerant in which sludge may not be generated, and fats and oils may not be solidified at a low temperature. CONSTITUTION: A casing 1, an electric motor 2, a crankshaft 3, a piston 4, a cylin...
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JPH0819906B2 |
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JPH0842451A |
PURPOSE: To simplify a structure of a valve device of a high pressure gas compressor by forming a platelike spring member and a fixing member in such a way that gas can flow freely between a gas flow passage port on a suction side and a ...
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JPH07117161B2 |
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