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Patent Searching and Data


Matches 101 - 150 out of 32,527

Document Document Title
WO/2014/156609A1
[Problem] To provide a vane compressor that can prevent chattering during startup by improving the promptness of pressure increases in a back pressure chamber and thereby reliably biasing a vane, during initial startup, low rotational sp...  
WO/2014/155923A1
A compressor is configured such that an oil discharge channel (71c, 72c, 73c) that has a planar or concave shape and that communicates with an oil supply hole (71a, 72a, 73a) is formed in a drive shaft (23) so as to have a width less tha...  
WO/2014/160751A1
Impeller comprising a body having a plurality of lobes with a curvilinear end and disposed about a rotary axis, the body comprising a composition of a resin and fibers disposed in the resin, wherein the fibers extend axially along the ro...  
WO/2014/155802A1
This multiple cylinder rotary compressor is provided with: first and second cylinders; first and second rollers which eccentrically rotate in the first and second cylinder chambers; a first blade for partitioning the interior of the firs...  
WO/2014/156842A1
A positive displacement pump is provided with: a rotating shaft; an eccentric drive member which is eccentrically mounted on the rotating shaft and which moves along a circular ring path as the rotating shaft rotates, the circular ring p...  
WO/2014/157452A1
The purpose of the present invention is to improve cooling efficiency particularly in the center of a sealed chamber that is at a high temperature, reduce power consumption of a cooling fan that generates cooling air, and to prevent an i...  
WO/2014/155803A1
The compressor mechanism unit of this rotary compressor is provided with a cylinder having a cylinder chamber, a roller housed inside of the cylinder chamber, a first and second vane which abut against the roller to partition the inside ...  
WO/2014/156679A1
In this multi-cylinder rotary compressor, a motor, and a compression mechanism driven by the motor are provided inside a sealed container. The compression mechanism is formed from rotary compression mechanisms (6A, 6B) provided with: a p...  
WO/2014/155646A1
The purpose of the present invention is to suppress contact between a lap tooth-tip part and a tooth bottom part by enlarging a tooth bottom step, and to reduce the loss caused by a gap formed by enlarging the tooth bottom step. A revolv...  
WO/2014/155938A1
Provided are: a multiple-cylinder rotary compressor which is configured so that the deflection of a rotating shaft is reduced and so that a mechanism for supporting the rotating shaft is simplified; and a refrigeration cycle device. A mu...  
WO/2014/151057A2
A rotor assembly having a plurality of rotor plates mounted to a shaft, and methods of construction for a rotor assembly are disclosed. Each rotor plate in the assembly may be provided with a central opening extending between the first a...  
WO/2014/148672A1
The present invention discloses a gear pump including: a body having an internal reception space; a drive gear arranged in the reception space so as to be driven by a drive motor; and a plurality of following gears engaging the drive gea...  
WO/2014/151452A1
A Roots-type supercharger 100, 1100 includes a housing 120, 1120, a first rotor 200, a second rotor 300, an outlet volume 400, a transfer volume 500, and a bleed port 600, 600', 1600. The housing includes an interior chamber 130, an inle...  
WO/2014/149870A1
The subject matter of this specification can be embodied in, among other things, a fluid pump that includes a housing with a cam block. The pump also includes a collection of vanes, each having a shank having a leading edge and a trailin...  
WO/2014/151461A1
A volumetric assembly includes: a roots-type supercharger device; a roots-type expander device; a first duct extending from the supercharger fluid inlet, the first duct supplying fluid to the roots-type supercharger device; and a second ...  
WO/2014/151057A3
A rotor assembly having a plurality of rotor plates (200) mounted to a shaft (38), and methods of construction for a rotor assembly are disclosed. Each rotor plate (200) in the assembly may be provided with a central opening (212) extend...  
WO/2014/150494A2
In one aspect, a flexible fan blade for use in a centrifugal fan impeller having at least one of a rear plate and a front plate with an air inlet is provided. The flexible fan blade comprises a fixed central portion fixedly coupled to at...  
WO/2014/139036A1
This disclosure concerns an advanced nutating positive displacement device having a high power to mass ratio and low production cost. This device in one example forms an exemplary pump as will be discussed in detail. The examples disclos...  
WO/2014/138870A1
A rotary device for use with a fluid, having a housing, a rotor, and a vane having a respectively associated wiper. The housing has a tubular surface defining in part a tubular volume, the tubular volume segregated into at least a pumpin...  
WO/2014/144648A1
A blower housing including a first and second rotor assembly such that the first rotor assembly includes a first rotor and a first shaft and the second rotor assembly includes a second rotor and a second shaft. The first and second rotor...  
WO/2014/141331A1
A rotary compressor is provided with: an upper bearing (29A) and a lower bearing (29B), which are provided so as to sandwich a rotary compression mechanism; a main shaft (23) which is rotatably supported by both the upper bearing (29A) a...  
WO/2014/141297A3
A compressor including a shell, and a compression mechanism disposed in the shell including a first scroll member having a first spiral wrap and a second scroll member having a second spiral wrap intermeshed with the first spiral wrap. A...  
WO/2014/138519A1
In at least some implementations, a fluid pump includes a motor, a rotating member, a drive screw coupled to the rotating member for rotation with the rotating member, a driven screw coupled to the drive screw for rotation with the drive...  
WO/2014/134961A1
Disclosed is a scroll component (60,50) for a scroll compressor, the scroll component comprising: an end plate (64,54); and a helical scroll blade (66,56) formed on the end plate, wherein the scroll blade comprises a near end part and a ...  
WO/2014/132526A1
The objective of the present invention is to provide a scroll-type fluid machine for which the service life can be improved by reducing the load applied to a rotation prevention mechanism. To solve this problem, this scroll-type fluid ma...  
WO/2014/132771A1
In scroll compressors, it was difficult to reduce sliding losses during low-speed operation and improve wear resistance. So, the present invention provides a highly efficient, highly reliable scroll compressor that can reduce sliding los...  
WO/2014/132969A1
 Provided is a vane-type rotation device which can suppress damage to the inner peripheral surface of a housing and a tip part of a vane, and can prevent seal leakage from occurring. The present invention comprises: a tubular housing; ...  
WO/2014/134336A1
A method of operating a refrigeration system, that includes providing a plurality of compressors connected in parallel. The plurality of compressors includes a plurality of scroll compressors. The method further includes returning circul...  
WO/2014/134058A1
A heat pump system may be operable to circulate fluid between first and second heat exchangers in a first direction in a heating mode and in a second direction in a cooling mode. The heat pump system may include a suction conduit, a low-...  
WO/2014/126091A1
In order to provide a composite vane formed by covering a vane body of an aluminum-based material with a plate of an iron-based material, said composite vane being capable of being used in a rotary compressor, being lightweight, having e...  
WO/2014/124503A3
Scroll compressor (1) with a stationary, stator scroll (8) and a movable rotor scroll (16) and a drive to move the rotor (6), whereby in each position places are formed with an instantaneous minimum opening (29) between the rotor scroll ...  
WO/2014/123325A1
The present invention relates to a vane rotary compressor wherein the volume of a compression room is reduced and a fluid is compressed when a rotor rotates. According to one embodiment of the present invention, the present invention pro...  
WO/2014/124157A3
A capacity modulation assembly is provided and may include a control valve and a first line extending between the control valve and a suction pressure region disposed within a compressor shell, whereby the suction pressure region is in c...  
WO/2014/123888A1
A system may include a compressor, a heat exchanger, an expansion device, a lubricant separator, and a flow path. The compressor includes a compression mechanism. The heat exchanger receives compressed working fluid from the compressor. ...  
WO/2014/119144A1
Provided is an air compressor which exhibits improved reliability by resolving problems relating to drainage discharge defects, and exhibits improved energy efficiency. The air compressor comprises: a compressor body which compresses air...  
WO/2014/117991A3
A vacuum pump such as a rotary-lobe pump has a pump chamber (10) in which pump elements (12) are arranged. A pressure side (30) is connected to a suction side (20) of the pump chamber (10) via a connecting duct (22). Furthermore, a valve...  
WO/2014/119932A1
The present invention relates to a rotary vane compressor provided with a plurality of rotatable curved wing-like vanes on the outer circumferential surface of a rotor, the rotary vane compressor according to one embodiment of the presen...  
WO/2014/117991A2
A vacuum pump such as a rotary-lobe pump has a pump chamber (10) in which pump elements (12) are arranged. A pressure side (30) is connected to a suction side (20) of the pump chamber (10) via a connecting duct (22). Furthermore, a valve...  
WO/2014/114222A1
Provided is a rotating device, comprising a cylinder body (110), a front end cover (120), a rear end cover (130), a main shaft (200), an eccentric rotor assembly (300) and an isolation mechanism (400). The eccentric rotor assembly (300) ...  
WO/2014/116582A1
A compressor is provided that may include a drive shaft, a compression mechanism, a bearing and an unloader. The drive shaft may include a main body and a crank pin extending from the main body. The compression mechanism may include firs...  
WO/2014/110659A1
An apparatus for compressing or pumping fluid includes a housing having an interior chamber. The housing includes an end wall having a fluid inlet and a fluid outlet. A rotating cam is rotatably mounted within the interior chamber and in...  
WO/2014/110930A1
A scroll compressor (100) comprises an orbiting scroll component (160); a fixed scroll component (150); sealing components (PS1, PS2, PS3, PS4, PS5, PS6), wherein the sealing components match a concave part (158) on the orbiting scroll c...  
WO/2014/111318A3
The invention relates to a spiral compressor (1), comprising a stationary first spiral (2) and an orbiting second spiral (3) that meshes with the first spiral. It is essential to the invention that a pendulum slide mechanism (4) having a...  
WO/2014/112088A1
A fluid machine equipped with a curved suction passage for introducing a gas into a casing (3), and a rotor for compressing or expanding the gas that has been introduced accommodated in a rotor chamber (4) formed within the casing. Furth...  
WO/2014/111318A2
The invention relates to a spiral compressor (1), comprising a stationary first spiral (2) and an orbiting second spiral (3) that meshes with the first spiral. It is essential to the invention that a pendulum slide mechanism (4) having a...  
WO/2014/108973A1
[Problem] A situation occurs repeatedly wherein the end plate of the orbiting scroll, when viewed from the direction of the rotational axis, does not constantly cover (disengages from) the outermost circumferential part of the inner wall...  
WO/2014/103204A1
A recess (78), which is formed in the bottom part (26a) of a receiving part (26) and in which oil accumulates after lubrication of a sliding part (44) of an engagement part (43), and an oil supply passage (70), which feeds the oil in the...  
WO/2014/106233A1
Systems, methods, and components, such as in a compressor, are designed to protect the compressor, such as a scroll compressor, when reverse rotation occurs and/or to avoid or at least reduce reverse rotation. A valve can be activated be...  
WO/2014/103974A1
Provided is a gas compressor that supplies high-pressure back pressure to the vanes in the final stage of the compression step. A compressor main body (60) is provided in a housing (10) and has: a rotor (50) in which vane grooves (59) ar...  
WO/2014/102650A1
A lubrication system (200) for a rotary vacuum pump (300) connectable to a thermal engine comprises a suction duct (50) connecting the pump (300) to a power brake (16), and a connecting duct (23) connecting the inside of the engine with ...  

Matches 101 - 150 out of 32,527