ClassID:

159517

F25B2600/0262 - CPC Classification

Classification description:

Control issues; Compressor control by controlling unloaders internal to the compressor

Recent Application in this class:
#1
20260146770
2026-05-28

ROTARY COMPRESSOR, AIR CONDITIONING SYSTEM, AND CONTROL METHOD

#2
20250102209
2025-03-27

PRESSURE RELIEF ARRANGEMENT IN REFRIGERANT CIRCUITS

#3
20240410629
2024-12-12

COMPRESSOR AND REFRIGERATION CYCLE DEVICE HAVING THE SAME

#4
20220404082
2022-12-22

PRESSURE RELIEF ARRANGEMENT IN REFRIGERANT CIRCUITS

#5
20220299031
2022-09-22

Variable volume ratio screw compressor

#6
20220146171
2022-05-12

Compressor and refrigeration cycle device having the same

#7
20200208637
2020-07-02

Variable volume ratio screw compressor

#8
20190219316
2019-07-18

Scroll unloading detection system

#9
20190101314
2019-04-04

Capacity staging system for multiple compressors

#10
20180356139
2018-12-13

Compressor control for increased efficiency

#11
20180313589
2018-11-01

System and method for device under test cooling using digital scroll compressor

#12
20180306196
2018-10-25

Method and apparatus for pressure equalization in rotary compressors

#13
20180245595
2018-08-30

Intermediate discharge port for a compressor

#14
20180209421
2018-07-26

Variable displacement scroll compressor

#15
20180180339
2018-06-28

Scroll unloading detection system

#16
20180017060
2018-01-18

Variable volume ratio compressor

#17
20170356684
2017-12-14

Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive

#18
20170350398
2017-12-07

Intermediate discharge port for a compressor

#19
20170241678
2017-08-24

Storage unit and tempering system for a storage unit

#20
20170146265
2017-05-25

Compressor and refrigeration cycle device using same

#21
20170138641
2017-05-18

Compressor and refrigeration cycle device using same

#22
20150362240
2015-12-17

Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive

#23
20150354589
2015-12-10

Centrifugal compressor with extended operating range

#24
20150292762
2015-10-15

HVAC systems and controls

#25
20150275908
2015-10-01

Centrifugal compressor inlet guide vane control

#26
20140208788
2014-07-31

Centrifugal compressor with extended operating range

#27
20130199223
2013-08-08

Variable capacity compressor and refrigerator

#28
20130139535
2013-06-06

Control for compressor unloading system

#29
20110219797
2011-09-15

Capacity control system for variable capacity compressor and display device for the system

#30
20110120165
2011-05-26

Air conditioner and compressor having power and saving modes of operation

#31
20080314055
2008-12-25

Refrigerant system unloading by-pass into evaporator inlet

#32
20080286118
2008-11-20

Capacity modulated scroll compressor system and method

#33
20070000264
2007-01-04

Variable evaporator control for a gas dryer