公开(公告)号：US20230008611A1

公开(公告)日：2023-01-12

申请号：US17933237

申请日：2022-09-19

Applicant: Emerson Climate Technologies, Inc.

Inventor： Michael D. Oakley ,  Michael M. Perevozchikov ,  Matthew J. Swallow

IPC: F04D27/00 ,  F04D29/30 ,  F04D17/12

Abstract: A system includes a dynamic compressor to compress a working fluid and a controller. The controller is connected to the dynamic compressor and includes a processor and a memory. The memory stores a map of predetermined operating points of the dynamic compressor, each predetermined operating point including a mass flow of the compressor at that predetermined operating point. The memory stores instructions that program the processor to operate the dynamic compressor to compress the working fluid and determine a current operating point of the compressor. The instructions program the processor to calculate the mass flow for the current operating point from the map of the plurality of predetermined operating points. The instructions further program the processor to continue to operate the dynamic compressor to compress the working fluid based at least in part on the calculated mass flow for the current operating point.

公开(公告)号：US11428233B2

公开(公告)日：2022-08-30

申请号：US17247724

申请日：2020-12-21

Applicant: Emerson Climate Technologies, Inc.

Inventor： Michael M. Perevozchikov ,  Matthew J. Swallow

IPC: F04D27/00 ,  F04D25/06 ,  F04D27/02

Abstract: A system includes a dynamic compressor, a variable frequency drive (VFD), and a controller. The dynamic compressor includes a motor having a driveshaft rotatably supported within the dynamic compressor, and a compression mechanism connected to the driveshaft and operable to compress a working fluid upon rotation of the driveshaft. The VFD includes a sensor configured to sense a current provided to the motor. The controller is connected to the motor and includes a processor and a memory. The memory stores instructions that program the processor to operate the motor using the VFD to compress the working fluid, receive signals representing the current from the VFD to the motor, and determine when a surge event has occurred based at least in part on the received signals representing the current from the VFD to the motor.

公开(公告)号：US20220196024A1

公开(公告)日：2022-06-23

申请号：US17247724

申请日：2020-12-21

Applicant: Emerson Climate Technologies, Inc.

Inventor： Michael M. Perevozchikov ,  Matthew J. Swallow

IPC: F04D27/00 ,  F04D25/06

Abstract: A system includes a dynamic compressor, a variable frequency drive (VFD), and a controller. The dynamic compressor includes a motor having a driveshaft rotatably supported within the dynamic compressor, and a compression mechanism connected to the driveshaft and operable to compress a working fluid upon rotation of the driveshaft. The VFD includes a sensor configured to sense a current provided to the motor. The controller is connected to the motor and includes a processor and a memory. The memory stores instructions that program the processor to operate the motor using the VFD to compress the working fluid, receive signals representing the current from the VFD to the motor, and determine when a surge event has occurred based at least in part on the received signals representing the current from the VFD to the motor.

公开(公告)号：US10830236B2

公开(公告)日：2020-11-10

申请号：US14832371

申请日：2015-08-21

Applicant: Emerson Climate Technologies, Inc.

Inventor： Kirill M. Ignatiev ,  Michael M. Perevozchikov

IPC: F04C29/00 ,  F04C18/02 ,  F04C23/00 ,  F04C27/00

Abstract: 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 first and second members. The crank pin may drivingly engage the second member and cause motion of the second member relative to the first member. The bearing may rotatably supporting the main body of the drive shaft. The unloader may rotatably engage the bearing and slidably engage the main body.

公开(公告)号：US10815979B2

公开(公告)日：2020-10-27

申请号：US15948427

申请日：2018-04-09

Applicant: Emerson Climate Technologies, Inc.

Inventor： Kirill M. Ignatiev ,  Michael M. Perevozchikov

IPC: F04B27/067 ,  F04B35/01 ,  F04B39/00 ,  F04B39/10 ,  F04B49/00 ,  F04B25/00 ,  F04B49/24 ,  F04B49/22

Abstract: A compressor may include a crankcase, a crankshaft, a piston, a discharge valve and a suction plenum. The crankcase defines a discharge plenum receiving working fluid at a first pressure. The crankshaft is disposed within the discharge plenum. The piston is drivingly connected to the crankshaft and reciprocatingly received in a cylinder. The piston and cylinder cooperate to define a compression chamber therebetween. The discharge valve may control fluid flow through a discharge passage between the compression chamber and the discharge plenum. The suction plenum may receive working fluid at a second pressure that is less than the first pressure. The suction plenum may provide working fluid at the second pressure to the compression chamber.

公开(公告)号：US10753352B2

公开(公告)日：2020-08-25

申请号：US15831423

申请日：2017-12-05

Applicant: Emerson Climate Technologies, Inc.

Inventor： Kirill M. Ignatiev ,  Michael M. Perevozchikov ,  Kevin J. Gehret

IPC: F04C29/12 ,  F04B39/10 ,  F04C18/02 ,  F04C28/24 ,  F04C29/00 ,  F01C21/10 ,  F04C23/00

Abstract: A compressor may include a shell, a non-orbiting scroll, an orbiting scroll, and a discharge valve member. The shell may define a discharge chamber. The non-orbiting scroll may be disposed within the discharge chamber and includes a first end plate and a first spiral wrap extending from the first end plate. The orbiting scroll may be disposed within the discharge chamber and includes a second end plate and a second spiral wrap extending from the second end plate. The first and second spiral wraps mesh with each other to define fluid pockets therebetween. The second end plate includes a discharge passage extending therethrough. The discharge valve member may be attached to the second end plate and may be movable between an open position allowing fluid flow from the discharge passage to the discharge chamber and a closed position restricting fluid flow from the discharge passage to the discharge chamber.

公开(公告)号：US10323638B2

公开(公告)日：2019-06-18

申请号：US15784458

申请日：2017-10-16

Applicant: Emerson Climate Technologies, Inc.

Inventor： Roy J. Doepker ,  Michael M. Perevozchikov

IPC: F01C1/02 ,  F03C2/00 ,  F03C4/00 ,  F04C2/00 ,  F04C28/18 ,  F04C18/02 ,  F04C28/24 ,  F04C15/06 ,  F04C14/26 ,  F04C23/00 ,  F04C28/16 ,  F04C27/00

Abstract: A compressor may include a shell, first and second scroll members, a partition plate and a bypass valve member. The shell defines a discharge-pressure region and a suction-pressure region. The first scroll member is disposed within the shell and may include a first end plate having a discharge passage, and first and second bypass passages extending through the first end plate. The partition plate is disposed within the shell and separates the discharge-pressure region from the suction-pressure region and includes an opening in communication with the discharge-pressure region. The bypass valve member is movable between a first position restricting fluid flow through at least one of the first and second bypass passages and the opening and a second position in allowing fluid flow through the at least one of the first and second bypass passages and the opening.

公开(公告)号：US10094380B2

公开(公告)日：2018-10-09

申请号：US14757407

申请日：2015-12-23

Applicant: Emerson Climate Technologies, Inc.

Inventor： Roy J. Doepker ,  Michael M. Perevozchikov

IPC: F01C21/18 ,  F04C2/08 ,  F04C29/12 ,  F04C18/02

Abstract: A compressor may include first and second scrolls, a hub plate and a valve. The first scroll may include an end plate defining first and second sides, a primary discharge passage extending therethrough, and a secondary discharge passage extending therethrough and located radially outward from the primary discharge passage. The hub plate may be mounted to the first scroll and may include first and second opposite sides and a hub discharge passage in fluid communication with the primary discharge passage. The first side of the hub plate may face the second side of the end plate and may include a valve guide extending axially toward the end plate adjacent the hub discharge passage. The valve member may be secured on the valve guide for axial movement between open and closed positions to respectively allow and restrict fluid communication between the secondary discharge passage and the hub discharge passage.

公开(公告)号：US20180223851A1

公开(公告)日：2018-08-09

申请号：US15948760

申请日：2018-04-09

Applicant: Emerson Climate Technologies, Inc.

Inventor： Kirill M. Ignatiev ,  Michael M. Perevozchikov

IPC: F04C29/02 ,  F04C18/02 ,  F04C23/00

CPC classification number: F04C29/025 ,  F04C18/0215 ,  F04C23/008

Abstract: A compressor is provided and may include a shell, a motor assembly, a compression mechanism, a pump housing, and at least one pump. The shell includes a fluid disposed therein. The motor assembly is disposed within the shell and is drivingly engaged with a driveshaft. The compression mechanism is driven by the driveshaft. The pump housing is rotatably disposed within the shell for rotation relative to the driveshaft and relative to the shell. The at least one pump is rotatably disposed within the pump housing such that the at least one pump is in driving engagement with the driveshaft.

公开(公告)号：US20180223823A1

公开(公告)日：2018-08-09

申请号：US15831423

申请日：2017-12-05

Applicant: Emerson Climate Technologies, Inc.

Inventor： Kirill M. IGNATIEV ,  Michael M. Perevozchikov ,  Kevin J. Gehret

IPC: F04B39/10 ,  F04C29/12 ,  F01C21/10 ,  F04C28/24

Abstract: A compressor may include a shell, a non-orbiting scroll, an orbiting scroll, and a discharge valve member. The shell may define a discharge chamber. The non-orbiting scroll may be disposed within the discharge chamber and includes a first end plate and a first spiral wrap extending from the first end plate. The orbiting scroll may be disposed within the discharge chamber and includes a second end plate and a second spiral wrap extending from the second end plate. The first and second spiral wraps mesh with each other to define fluid pockets therebetween. The second end plate includes a discharge passage extending therethrough. The discharge valve member may be attached to the second end plate and may be movable between an open position allowing fluid flow from the discharge passage to the discharge chamber and a closed position restricting fluid flow from the discharge passage to the discharge chamber.