Emerson Climate Technologies Gmbh

Emerson Climate Technologies (suzhou) Co., Ltd.

Xiaogeng Su

Hanqing Zhu

Weihua Guo

Walter T Grassbaugh

Christopher Stover

Xiaomin Qu

John D Prenger

Bin Li

Qiang Liu

Qingfeng Sun

Srinivasan Ramalingam

Yonghua Cui

Jesús Ángel Nohales Herraiz

Zhenfei Duan

Yinglin Yu

Linus Dellweg

Hongshan Li

Vinod Arun Kokate

Laurence Grosjean

Yinbo Zhu

Yan Chen

Zhen Hu

Chunzhi Mao

Qingwei Li

A system for use in a scroll compressor is described. The system comprises a crankshaft with a first end portion, wherein the crankshaft defines an axis of rotation, and slider block having a recess, wherein the first end portion of the crankshaft and the recess in the slider block are configured for connecting the slider block to the first end portion. The first end portion of the crankshaft comprises a first flat contact surface portion and the recess of the slider block comprises a second flat contact surface portion, the first and second contact surface portions facing each other when the first end portion is connected to the slider block. The system is characterized in that at least one of the flat contact surface portions comprises a slit beneath the at least one flat contact surface portion. Further, a corresponding slider block and a corresponding crankshaft are described.

Coupling between crankshaft and orbiting scroll plate

A compressor may include a compression mechanism, a driveshaft, and an oil allocation member. The driveshaft drives the compression mechanism and includes a lubricant passage having an inlet and first and second outlets. The first outlet is disposed vertically higher than the inlet and the second outlet is disposed vertically higher than the first outlet. The oil allocation member is disposed within the lubricant passage. The oil allocation member may define first, second and third channels. The first channel extends through a lower axial end of the oil allocation member. The second channel receives a first portion of the lubricant from the first channel. The third channel receives a second portion of the lubricant from the first channel. The first and second portions of the lubricant may be separated from each other at a location that is vertically higher than the first outlet.

Compressor having oil allocation member

A pump mechanism for a horizontal compressor comprises: a partition plate disposed in a housing of the horizontal compressor to separate an oil compartment from a motor compartment provided with a motor; and a pump assembly including a first pump and a second pump located in the oil compartment. The first pump sucks oil from the motor compartment to the oil compartment. The second pump delivers the oil from the oil compartment to a lubrication channel inside a rotary shaft. The partition plate is made from a flat plate, and includes: a plate main body extending in a vertical direction; and a flange portion extending from the peripheral edge of the plate main body in an axial direction and secured to the housing. A horizontal compressor including the pump mechanism is also provided.

Pump mechanism and horizontal compressor having same

A compressor may include a shell, a bearing housing, an orbiting scroll, and a non-orbiting scroll. The bearing housing is supported within the shell and includes a central body and a plurality of arms. Each arm extends radially outwardly from the central body and has a first aperture. The orbiting scroll is supported on the bearing housing. The non-orbiting scroll is meshingly engaged with the orbiting scroll and includes a plurality of second apertures. Each second aperture receives a plurality of bushings and a fastener. The fastener extends through the bushings and into a corresponding one of the first apertures in the bearing housing to rotatably secure the non-orbiting scroll relative to the bearing housing while allowing relative axial movement between the non-orbiting scroll and the bearing housing.

Compressor having a sleeve guide assembly

A scroll compressor () comprises an orbiting scroll component (); a fixed scroll component (); sealing components (PS, PS, PS, PS, PS, PS), wherein the sealing components match a concave part () on the orbiting scroll component () so as to form a back pressure chamber (BC) together, and the sealing components are constructed to separate the back pressure chamber from a high-pressure side and a low-pressure side in the scroll compressor (); and a leakage path (L), wherein the leakage path (L) is constructed to allow fluid in the back pressure chamber (BC) to leak.

Scroll compressor with back pressure chamber having leakage channel

A scroll compressor (), comprising a fixed scroll (), a movable scroll () and a drive shaft (); the scroll compressor () further comprises a movable scroll counterweight (); the movable scroll counterweight () is configured to rotate with the drive shaft (); and the centrifugal force of the movable scroll counterweight () caused by the rotation acts on the hub () of the movable scroll (). The above structure can effectively reduce the impact of the centrifugal force of the movable scroll on the radial seal of a scroll component, thus achieving proper radial sealing force between the fixed scroll and the movable scroll at any rotating speed.

Scroll compressor

A rotary compressor, comprising: a housing, comprising a lubricant oil storage part for containing lubricating oil; a compression mechanism disposed in the housing; a driving mechanism driving the compression mechanism, the driving mechanism comprising a rotation shaft, through-holes extending along the axial direction of the rotating shaft are disposed inside the rotating shaft, and the rotation shaft is in fluid connection with the lubricating oil storage part via the through-holes; and an oil level sensor in fluid connection with the through-holes inside the rotation shaft via a pressurized collection channel. Also disclosed is a rotation mechanism, comprising an oil level sensor in fluid connection with the through-holes inside the rotation shaft via the pressurized collection channel. Accurate and reliable detection of the lubricating oil in a compressor can be done using the pressurized collection channel and the oil level sensor, thus greatly saving cost and improving compressor reliability.

Rotary compressor and rotation mechanism

A method includes forming a sheet of material having first, second, third, and fourth ends. The third and fourth ends extend longitudinally between the first and second ends. First and second protrusions are formed at the first end. The first and second protrusions extend longitudinally outwardly from an edge of the first end. The third and fourth ends are coupled to one another to create a longitudinally extending compressor shell having a stepped region at the edge of the first end where the third and fourth ends meet.

Compressor having shell with alignment features

A scroll compressor includes a discharge valve assembly having a valve member, a valve stop supported within the compressor shell and including an aperture there through and a communication member. The communication member defines a fluid passage extending into the discharge chamber from the valve stop toward the first discharge outlet in the discharge chamber and provides fluid communication between the aperture in the valve stop and a location downstream of the valve stop. A first side of the valve member abuts the valve stop when in an open position and the valve stop provides communication between the first side of the valve member and the communication member via the aperture.

Compressor having a shutdown valve

A compressor includes a shell, a compression mechanism supported within a suction pressure region of the shell and including a discharge outlet in communication with the discharge chamber, and a discharge valve assembly. The discharge valve assembly includes a valve member, a valve stop including an opening therethrough, and a communication member defining a fluid passage and extending into the discharge chamber from the valve stop toward the discharge outlet in the discharge chamber to provide fluid communication between the opening in the valve stop and a location downstream of the valve stop.

A compressor includes a shell formed from a piece of material having first, second, third, and fourth ends. The third and fourth ends extend between the first and second ends and are coupled to one another. The first and second ends form longitudinal ends of the shell. The first end includes an edge having first and second protrusions extending longitudinally outwardly therefrom. The edge includes a stepped region at a location where the third end extends longitudinally beyond a portion of the edge proximate the fourth end. A partition abuts the first and second protrusions, is coupled to the shell at the first end, and includes an opening therethrough. A compression mechanism is supported within the shell and includes a discharge passage in communication with the opening in the partition.

A compressor may include a housing, a compression mechanism supported within the housing, and a seal assembly. The housing may include a suction pressure region and a first discharge passage in communication with a discharge pressure region. The compression mechanism may include a second discharge passage in communication with the first discharge passage. The seal assembly may be sealingly engaged with the housing and the compression mechanism to define a chamber and to provide sealed communication between the first and second discharge passages. The seal assembly may include a seal member engaged with the compression mechanism and including a leg having an opening therein. The leg may isolate the chamber from the discharge pressure region when in a first position and may provide communication between the chamber and the discharge pressure region through the opening when in a second position different than the first position.

Scroll machine with seal

A scroll machine utilizes a floating seal to isolate pressurized fluid to provide axial biasing. The floating seal is designed as a single piece plate with inner and outer annular seals. The inner and outer annular seals can be U-shaped, V-shaped or L-shaped and each configuration is oriented to provide pressure actuation of the seal. Additional embodiments add a discharge valve, a high temperature protection system or a high pressure protection system to the floating seal.

Growing community of inventors

Suzhou, China

Xiaogeng Su