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Patent Searching and Data


Matches 401 - 450 out of 37,721

Document Document Title
WO/2019/077978A1
This compressor is provided with: an airtight container (1); an electric motor unit disposed within the airtight container (1); a compressor mechanism unit which compresses a refrigerant by being driven by the electric motor unit; an int...  
WO/2019/076080A1
A scroll compressor having a lubricating structure, comprising: a shell, as well as a moving scroll plate (1), a not-moving scroll plate (2), a main bearing pedestal (6) and a driving assembly which are disposed in the shell. The inner s...  
WO/2019/077714A1
Provided is a scroll compressor (1) in which, in one of a scroll case (20) and an Oldham's ring (50), a case key (52) comprising a key protrusion disposed slidably in a groove longitudinal direction in a case key groove (24) has formed o...  
WO/2019/076684A1
The invention relates to a screw rotor for screw vacuum pumps, comprising a rotor shaft (10) which bears at least two displacement elements (12, 14). The displacement element (12) is conical in the conveying direction (22) and the adjoin...  
WO/2019/077979A1
This compressor is provided with a stationary scroll, at least one discharge opening, a reed valve, a valve stop, and a vent hole. The at least one discharge opening is provided in the stationary scroll. The reed valve is provided on the...  
WO/2019/073605A1
This scroll compressor has: a compression mechanism section having a stationary scroll and an orbiting scroll which orbits relative to the stationary scroll; a rotating main shaft; a variable radial crank mechanism which, through a movem...  
WO/2019/073679A1
This screw compressor is provided with a screw rotor (21) and a rotor shaft (47), i.e. the rotating shaft of the screw rotor (21). The screw compressor is also provided with a casing which forms together with the screw rotor (21) a plura...  
WO/2019/072118A1
A compressor and an operation control method thereof, and an air conditioner. The compressor comprises a first air cylinder (1), a second air cylinder (2), and a switching mechanism. The volume of the first air cylinder (1) is larger tha...  
WO/2019/073993A1
This scroll fluid machine unit is provided with a cooling fan which can be activated independently from a scroll fluid machine. When the scroll fluid machine is stopped, the cooling fan is controlled so as to be activated until the tempe...  
WO/2019/069886A1
Provided is a two-way-rotating scroll compressor with which the life of a synchronous drive mechanism can be extended. This compressor comprises a synchronous drive mechanism that transmits drive force from a drive-side scroll member to ...  
WO/2019/069441A1
The present invention provides a refrigeration cycle device that is provided with a scroll compressor capable of opening and closing an injection check valve while requiring no spring. A refrigeration cycle device (1) is provided with: a...  
WO/2019/061899A1
A pump body assembly and a compressor having same, the pump body assembly comprising: two structural members; a cylinder (20) provided between the two structural members; a rotary shaft (30) passing through the two structural members and...  
WO/2018/054886A8
The invention relates to a method for producing a housing (20) of a rotary screw compressor (10), the housing (20) comprising at least one housing body (20a) and at least one housing cover (20b), said method comprising the following step...  
WO/2019/061892A1
An oil line structure of a compressor, comprising: a main shaft (1), an upper flange (2), and a rolling bearing (3); an inner portion of the rolling bearing (3) encloses to form an air cylinder cavity that is used for compression, the ro...  
WO/2019/064187A1
The present application provides a slide valve, wherein the slide valve is configured to regulate a load of a twin-screw compressor. The slide valve comprises a slide valve body, wherein the slide valve body has a connecting end and a fr...  
WO/2019/061898A1
A pump body assembly comprises: a rotary shaft (10) having a rotor portion (11), wherein the rotor portion (11) is provided with multiple sliding vane slots (111); a cylinder (20), wherein the rotary shaft (10) passes therethrough, and t...  
WO/2019/065404A1
A screw compressor 1 is provided with: a rotor casing 10 that defines a rotor chamber S1 accommodating a screw rotor body 16a; a shaft part 16c that extends from the screw rotor body 16a in such a manner as to penetrate through the rotor...  
WO/2018/054883A8
The present invention relates to a screw compressor (10) for a utility vehicle, comprising at least one housing (20) and a relief valve (80), wherein the relief valve (80) comprises a spring-loaded closure mechanism (100) with at least o...  
WO/2019/061893A1
A compressor and an air conditioner having same. The compressor comprises: a spindle (10), the spindle (10) being provided with a protruding portion (11), and sliding sheets (12) being mounted on the protruding portion (11); an air cylin...  
WO/2019/058733A1
An Oldham coupling (90) which reciprocate to limit the rotation of a movable scroll (40) is disposed between the movable scroll (40) and a housing (50). The four support legs (27) of a support bracket (25) which supports a casing (15) ar...  
WO/2019/057056A1
Disclosed are a movable scroll device (1) for a scroll compressor and a method for manufacturing same. The method comprises: manufacturing the movable scroll device (1) by means of casting steps, so that the movable scroll device (1) com...  
WO/2019/052080A1
Disclosed is a pump assembly, a piece of fluid machinery comprising the pump assembly, and a heat exchange apparatus comprising the fluid machinery, the pump assembly comprising: a cylinder (10) having an inner cavity (11) and a sliding ...  
WO/2019/049076A1
The invention provides a sliding contact single vane rotary vacuum pump in which an oil supply passage is placed in the centre of the rotating vane through which a lubricating oil flows, which provides oil distribution in the pump chambe...  
WO/2019/049226A1
[Problem] To provide a low-cost, high-quality compressor for which the degree of design freedom with respect to a connection position between an introduction path and an injection path of an injection flow path can be increased, manufact...  
WO/2019/049415A1
Provided is an oil feed type air compressor with which it is possible to reduce the power consumption of a compressor main body during no-load operation. This oil feed type air compressor is provided with: a compressor main body (1) whic...  
WO/2019/047478A1
A compressor and a fabrication method therefor, wherein the compressor comprises: a housing (2); a motor (3) and a cylinder (5), which are housed in the housing (2); a crankshaft (31), the crankshaft (31) transmitting the rotational forc...  
WO/2019/049497A1
The present invention comprises: a blank forming step in which a casing blank (70) is formed by die-casting, the casing blank (70) having a first cylindrical section (41), a second cylindrical section (42), and an annular section (44) wh...  
WO/2019/043741A1
This compressor has: a stationary scroll provided with a base plate and a spiral wrap which is formed on the base plate; and an orbiting scroll provided with a base plate and a spiral wrap which is formed on the base plate. The stationar...  
WO/2019/042572A1
The invention relates to a screw compressor comprising a compressor housing (12) with a screw rotor chamber (18), two meshing screw rotors (26, 28) which are arranged in the screw rotor chamber and are mounted each on the compressor hous...  
WO/2019/044349A1
This compressor comprises: a fixed scroll (6) and a revolving scroll (7), which constitute a compression mechanism section (2); a compression chamber (9); an intake chamber (11); a discharge port (12); a muffler (16); and a heat-insulati...  
WO/2019/044390A1
This screw compressor comprises a screw rotor, a casing, and a liquid supply unit (38) that supplies a liquid in film form into a compression chamber formed in the casing. The screw rotor has a male rotor and a female rotor. Formed on th...  
WO/2019/044867A1
[Problem] To prevent excessive amounts of oil from being taken into a compression mechanism. [Solution] A fixed scroll (10) constituting a compression mechanism (3) of a scroll compressor (1) is provided with at least one working fluid i...  
WO/2019/045298A1
A scroll compressor includes a fixed scroll including a fixed mirror-like surface and a fixed wrap that is extended from the fixed mirror-like surface, formed in a hybrid curve, and includes a thick portion thicker than other portions; a...  
WO/2019/045454A1
Provided is a scroll compressor in which an installation position of a check valve is optimized, such that a back flow of a refrigerant is prevented at the time of stopping of the scroll compressor, flow noise can be reduced, the refrige...  
WO/2019/043470A1
Machine provided with a machine element (2) and an oil pump (4) and a motor (3) to drive the machine element (2) and the oil pump (4), whereby the oil pump (4) is provided with a shaft (13) with a rotor (12), whereby the oil pump (4) is ...  
WO/2019/045656A1
Provided is a rotary compressor including a compression mechanism. The compression mechanism includes: a cylinder, which has a through hole formed therein, and is configured to cause a rotary shaft to pass therethrough; a piston, which i...  
WO/2019/043546A1
The invention relates to a volumetric compressor (100) including a container (51 ) for collecting the lubricant moved by an oil distribution disc (1 ). The compressor (100) further comprises at least two lubricant distribution channels (...  
WO/2019/044419A1
The purpose of the present invention is to avoid the influence of an increase in oil temperature on peripheral devices while suppressing deterioration of the efficiency of a compressor. This scroll compressor is provided with a back pres...  
WO/2019/042868A1
The invention relates to a leak detector (1) for leak-testing objects by tracer gas leak detection, the leak detector (1) comprising: – a detection inlet (2) intended to be coupled to an object that is to be tested, – a pumping devic...  
WO/2019/044350A1
Provided is a compressor comprising: a fixed scroll (6) and an orbiting scroll (7) constituting a compression mechanism unit (2); a compression chamber (9) formed between the fixed scroll (6) and the orbiting scroll (7); an intake chambe...  
WO/2019/043469A1
Screw compressor comprising a first rotor (4) and a second rotor (5), each rotor (4, 5) provided with a synchronisation gear (13, 14), said screw compressor (1) further provided with an electric motor (12) and one or two driving gears (9...  
WO/2019/044326A1
A compressor (50) comprises a sealed container (1), a compression mechanism part (2) provided inside the sealed container (1), an electric motor part (3) that drives the compression mechanism part (2), and a pump (18) that supplies oil t...  
WO/2019/043905A1
This scroll compressor is provided with a discharge valve mechanism disposed on a discharge chamber side of a fixed scroll, wherein the discharge valve mechanism has a lead valve, and has a valve seat which is provided on a surface on th...  
WO/2019/041698A1
Provided are a screw compressor and an air conditioner comprising the screw compressor, the screw compressor comprising a housing (1), a frequency converter, an electric motor (2), a spool valve (4), and a rotor in driving connection wit...  
WO/2019/039181A1
In this rotary compressor, a recess (141-1) is provided to the outer circumference of an intermediate partition plate (140-1) in a position where an upper vane and a lower vane slide. A value obtained by doubling the amount of eccentrici...  
WO/2019/039095A1
This scroll compressor is provided with: a flow passage provided in the portion of a bearing holding section, which corresponds to the position where a plurality of stator grooves are formed, and extending axially through the bearing hol...  
WO/2019/039267A1
A compressor 1 is provided with a first rotor set 13, a second rotor set 23, a connection portion 40 that mechanically connects a first male rotor 14 and a second female rotor 25, and a rotor casing 30. The rotor casing 30 has an interme...  
WO/2019/039182A1
A lower end plate is provided with: a plurality of bolt holes (138) through which bolts (174, 175, 176) are passed; a lower discharge valve; a lower discharge valve accommodating recess (164S) in which the lower discharge valve is accomm...  
WO/2019/039575A1
This twin rotary scroll type compressor is provided with: a first side plate (27) which is arranged on the side of a drive-side rotational axis direction (CL1) with respect to a drive-side scroll member (70) and a driven-side scroll memb...  
WO/2019/034877A1
A pump and method for pumping a gas are disclosed. The pump comprises a rotor and a stator. At least one of the rotor or stator comprises at least one liquid opening configured for fluid communication with a liquid source. The liquid ope...  

Matches 401 - 450 out of 37,721