Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 7,553

Document Document Title
WO/2019/092024A1
Scroll compressor having a fixed disc (1) and a fixed scroll (2) on a fixed base surface (3) of the fixed disc (1), which fixed scroll (2) configures a spiral compressor channel (6) which extends from an outer end (5) of the fixed scroll...  
WO/2019/092430A1
The one or more connection points are located at the top side. The module has a maximum size in a first system dimension that is equal to a first integer multiple of a fixed system value, the first system dimension being a dimension betw...  
WO/2019/085501A1
Disclosed are a compressor (100) and an air-conditioning system having same. The compressor (100) comprises a housing (10), a pump body assembly and an enthalpy-adding component (70), wherein the pump body assembly comprises: a first-lev...  
WO/2019/076064A1
A compressor and an air conditioner having same. The compressor comprises a motor and a pump assembly. The motor drives, by means of a crankshaft (17), the pump assembly to work by means of a crankshaft (17); an accommodating space is fo...  
WO/2019/078293A1
This rotating shaft comprises a central shaft portion (17) which, when viewed in a cross section perpendicular to an axis line (O), protrudes in a direction intersecting an eccentric direction of a main-shaft piston rotor (14A) and a sub...  
WO/2019/072117A1
A compressor (100) and an air conditioner using same, relating to the field of compression devices, and mainly aiming to resolve the technical problem of a potential safety hazard caused by contact between a motor lead wire of an existin...  
WO/2019/070862A1
A control system for controlling an output for at least one compressor includes a control unit that receives an indoor set point and an outdoor ambient temperature. The control unit determines a load request based on the indoor set point...  
WO/2019/062026A1
A constant speed air compressor having an oscillation structure comprises a motor (1), a drive shaft (18), a main drive gear (19), a sun gear (5), a ring gear (21), and a transmission shaft (6). Power of the motor (1) is transmitted to t...  
WO/2019/062349A1
An air compressor having an oscillation structure comprises a motor (1), a drive shaft (2), a sun gear (19), a planetary gear (18), a ring gear (4), and a transmission shaft (5). Power of the motor (1) is transmitted to the sun gear (19)...  
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/2019/045656A1
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/2019/042868A1
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/2019/039181A1
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/2019/039267A1
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/2019/032096A1
A rotary compressor that may include an upper or outboard bearing above the motor components and, in this case, includes an upper bearing plate having a structure that ensures bearing alignment when press fit with an upper cap and a cent...  
WO/2019/031412A1
A rotary compressor (1), wherein a drive shaft (70) is configured so as to have a lower-side eccentric part (76), a countershaft part (74), and a lower-side linking part (90) that links these two parts together, and moreover is configure...  
WO/2019/031411A1
A rotary compressor (1), wherein: a lower-side connection part (90) is provided between an auxiliary shaft part (74) and a lower-side eccentric part (76) of a drive shaft (70); the distance obtained by subtracting the amount of eccentric...  
WO/2019/022953A1
A supercharger assembly includes rotors, a base plate, and a housing with an anti-fouling material on one or more surfaces where accumulation of soot and/or soot-like material may lead to mechanical friction and possibly seizing. The ant...  
WO/2019/019933A1
A double-cylinder circulating suction fan. Two cylinder bodies, namely, a front cylinder body and a rear cylinder body are disposed and serially connected , and a change-over valve (13) and side walls of the cylinder bodies cooperate wit...  
WO/2019/021550A1
The compression section (12) of this rotary compressor (1) is provided with: an intermediate partition plate (140) disposed between an upper cylinder (121T) and a lower cylinder (121S); an upper vane (127T) for dividing an upper cylinder...  
WO/2019/019760A1
A compressor and an air conditioner, wherein the compressor (1) comprises: a motor (12) and a control circuit. The motor (12) comprises a stator (122) and a rotor (124) that adapts to the stator (122), wherein the rotor (124) comprises a...  
WO/2019/021976A1
In a rotary compressor (1), a lower end plate (160S) has: a reed-valve-type lower discharge valve (200S) that opens and closes a lower discharge hole (190S); a lower-discharge-valve accommodation recess (164S) that extends from the lower...  
WO/2019/015489A1
A multifunctional air compressor (1) and a gas-electric system containing the air compressor (1), wherein the air compressor (1) comprises an air compressor suction cylinder (2a), an air compressor air circulation cylinder (2b), an air s...  
WO/2018/229459A1
A twin shaft pump comprising: two cooperating rotors configured to rotate in opposite directions about parallel axes of rotation; a stator comprising a stator bore in which the rotors are mounted to rotate. The stator bore comprises a ce...  
WO/2018/228784A1
The invention relates to a multi-stage rotary piston pump comprising two shafts in a housing, which support multiple rotary pistons. Corresponding rotary pistons form a respective rotary piston pair, wherein multiple rotary piston pairs ...  
WO/2018/224409A1
The invention relates to a dry-compressing vacuum pump, in particular a screw pump, a multi-stage Roots pump, a Roots pump, or a claw pump, having rotor elements (14) arranged in a suction chamber (12). The two rotor elements are each bo...  
WO/2018/223667A1
Disclosed is a multi-stage compressor, comprising a gas supplement structure, a low-pressure stage chamber and a high-pressure stage chamber. The gas supplement structure comprises a gas supplement inlet (1) and a perforating member (2),...  
WO/2018/223665A1
A housing structure, comprising: a housing (110), wherein the bottom of the housing (110) is provided with a plurality of legs (111); a support component (120), disposed in the housing (110) and capable of supporting a motor and a rotor ...  
WO/2018/224253A1
The invention relates to a method for monitoring an operating state of a pumping device (5) connected to a process chamber (2) with a view to determining a faulty operating state of the pumping device (5), the pumping device (5) comprisi...  
WO/2018/208270A3
The present invention is a tandem pump (1) having a primary pump (10) having a primary drive gear (11) and a primary conjugate gear (12) connected to an input shaft (41) and a secondary pump (20) provided in the vicinity of the primary p...  
WO/2018/204218A1
A device under test cooling system has a refrigerant line and a fluid line extending through a plurality of successively arranged heat exchangers. A digital scroll compressor has an intake for providing the refrigerant mixture to the com...  
WO/2018/196489A1
Provided is a scroll compressor for a vehicle, the scroll compressor comprising: a housing (3) provided with a first opening so as to form an accommodation space; a compression mechanism; an electric motor mechanism comprising an electri...  
WO/2018/197834A1
The invention relates to a vacuum pumping system (10) which comprises a plurality of vacuum pumping arrangements (12, 14, 16) for evacuating a flammable gas stream and exhausting the gas stream through an exhaust outlet (78). A housing h...  
WO/2018/196485A1
Provided is an upright compressor, comprising a housing (3), which housing (3) is provided with a first opening; a compression mechanism comprising a static scroll plate (2), comprising a low-pressure side (202) provided with scroll teet...  
WO/2018/199061A1
Provided is an internal medium pressure two-stage compression compressor which includes, as a compressing mechanism portion 30, a first compressing mechanism portion 30A which performs low-stage compression as a first stage, and a second...  
WO/2018/184853A1
The invention relates to a pumping unit (1) comprising:a rough-vacuum pump (2) of the multi-stage dry pump type comprising at least four pumping stages (T1, T2, T3, T4, T5)mounted in series, characterized in that the pumping unit (1) com...  
WO/2018/186357A1
Provided are a closed-type compressor and a refrigeration cycle device equipped with the same, the closed-type compressor being capable of ensuring a sufficient flow passage area of a discharge flow passage for discharging a gas refriger...  
WO/2018/177249A1
A vacuuming device, comprising a main body (110), a shaft (130), a vacuum-pump rotor (146), an electric-motor stator (160) and an electric-motor rotor (170). An air inlet (114), an air outlet (116), an oil reservoir chamber (120) and an ...  
WO/2018/174463A1
The present invention relates to a twin circle positive displacement pump having a check valve, comprising: a housing having an upper chamber and a lower chamber which are vertically communicated with each other and having a fluid inlet ...  
WO/2018/169072A1
Provided is a rotary compressor which includes first and second cylinders arranged in the axial direction of a driving shaft, and in which a suction path for supplying a refrigerant, supplied through a suction pipe from an external appar...  
WO/2018/154506A1
Injector (14) for injecting a liquid formulation into a molten polymer includes outlet (21) at one end and, at its other end, is arranged to be connected to upstream conduit (25) via a coupling housing (26) so that liquid formulation can...  
WO/2018/149598A1
The invention relates to a multi-stage rotary lobe pump having a plurality of pump chambers (14) in a pump housing (16, 18). Said pump chambers form respective pump stages (26, 28, 30, 32, 34), each pump stage having two bidentate rotary...  
WO/2018/145091A1
A compressor may include a first compression member, a second compression member, and a motor assembly. The second compression member is movable relative to the first compression member and cooperates with the first compression member to...  
WO/2018/139314A1
A refrigerant in a refrigerant circuit (11) includes a hydrofluorocarbon having the characteristic of causing disproportionation reactions. A compressor mechanism (40) has provided therein: a blade (51) integrally coupled to pistons (44,...  
WO/2018/138475A1
A pump assembly and method are disclosed. The pump comprises: a first housing part defining a first portion of a bore extending within the first housing part and shaped to receive a rotor; and a second housing part defining a second port...  
WO/2018/134610A1
An inter-stage coupling for a multi-stage vacuum booster pump, a vacuum pump and a method are disclosed. The inter-stage coupling for a multi-stage vacuum pump comprises: a first coupling face configured to be received by a first adjacen...  
WO/2018/134600A1
A rotor for a multi-stage vacuum pump, a multi-stage vacuum pump and a method are disclosed. The rotor comprises: a plurality of rotary vanes, the plurality of rotary vanes being axially displaced and coaxially aligned; a pair of end sha...  
WO/2018/131111A1
Provided is a multi-stage scroll compressor configured such that vibration and noise can be suppressed and the multi-stage scroll compressor is highly reliable. This multi-stage scroll compressor is provided with: a closed container; at ...  
WO/2018/131265A1
With a first rotation angle (θ1) in the circumferential direction of a cylinder (121) of a piston (125) positioned at top dead center being 360 degrees, when the piston (125) is positioned at a third rotation angle (θ3) having the medi...  

Matches 1 - 50 out of 7,553