Patents-Review.com
ClassID:

159596 ⎘

F25B2700/21156 - CPC Classification

Classification description:

Sensing or detecting of parameters; Sensors therefor; Temperatures of a compressor or the drive means therefor of the motor

Sub-classes:
Recent Application in this class:
#1
20240085075
2024-03-14

Systems and methods for providing compressor cooling

 #2
20220186992
2022-06-16

A HEATING, VENTILATION, AIR CONDITIONING AND/OR REFRIGERATION SYSTEM WITH A COMPRESSOR MOTOR COOLING SYSTEM

 #3
20220082315
2022-03-17

System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller

 #4
20220018582
2022-01-20

Control unit for a refrigerant compressor

 #5
20210010732
2021-01-14

Expansion device control system for heating, ventilation, and air conditioning (HVAC) unit

 #6
20200370801
2020-11-26

Refrigeration apparatus including lubrication of compressor with refrigerant

 #7
20190293334
2019-09-26

System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller

 #8
20190203996
2019-07-04

Capacity control technique with motor temperature override

 #9
20190178513
2019-06-13

Fluid injection control system and fluid circulation system

 #10
20190154024
2019-05-23

Method for protecting an electric motor of a device with a motor driven consumer with a continuous capacity control system and choice of such a motor

 #11
20180320672
2018-11-08

Compressor with flooded start control

 #12
20180073787
2018-03-15

Cooling circuit for a variable frequency drive

 #13
20180003424
2018-01-04

Air conditioning apparatus

 #14
20170370626
2017-12-28

Air conditioning apparatus

 #15
20170331407
2017-11-16

Inverter control device and air conditioner

 #16
20170176076
2017-06-22

System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller

 #17
20150330692
2015-11-19

Method for controlling an economizer circuit

 #18
20150300714
2015-10-22

Air-conditioning apparatus

 #19
20150168033
2015-06-18

Heat pump device, heat pump system, air conditioner, and freezer

 #20
20150000315
2015-01-01

Refrigerant compressor

 #21
20140338380
2014-11-20

Heat pump device, air conditioner, and freezer

 #22
20140013782
2014-01-16

System and method for controlling an economizer circuit

 #23
20130269380
2013-10-17

Refrigeration cycle device

 #24
20120234030
2012-09-20

Air conditioning apparatus

 #25
20120186283
2012-07-26

COMPRESSOR MOTOR PREHEAT CONTROL

 #26
20120177514
2012-07-12

DISCHARGE PRESSURE ESTIMATION FOR COMPRESSOR

 #27
20120075754
2012-03-29

Systems and methods for protecting three-phase motors

 #28
20100236264
2010-09-23

COMPRESSOR MOTOR CONTROL

 #29
20090241570
2009-10-01

Refrigerant cycle system

 #30
20090205349
2009-08-20

Suction valve pulse width modulation control based on compressor temperature