ClassID:

62553

B60H1/3214 - CPC Classification

Classification description:

Heating, cooling or ventilating [HVAC] devices; Cooling devices using compression; Control means therefor for improving the lubrication of a refrigerant compressor in a vehicle

Recent Application in this class:
#1
20260138419
2026-05-21

CONTROL METHOD USING ELECTRONIC EXPANSION VALVES TO REGULATE OIL CIRCULATION THROUGH REFRIGERANT SYSTEMS WITH MULTIPLE EVAPORATORS

#2
20250289292
2025-09-18

MULTI-COMPRESSOR OIL MIGRATION MITIGATION CLIMATE SYSTEM

#3
20230356567
2023-11-09

Compressor control method

#4
20230124191
2023-04-20

MULTI-COMPRESSOR OIL MIGRATION MITIGATION CLIMATE SYSTEM

#5
20220144045
2022-05-12

Control method of air conditioning system for compressor protection

#6
20200331322
2020-10-22

Multi-compressor climate system

#7
20200276884
2020-09-03

Method of controlling compressor

#8
20200215877
2020-07-09

Refrigeration system and control method for starting refrigeration system

#9
20200064029
2020-02-27

Device for storing refrigerant of a refrigerant circuit system and method for operating the device

#10
20190376519
2019-12-12

Compressor having controllable oil supply and vehicle

#11
20190009648
2019-01-10

Multi-compressor climate system

#12
20180056754
2018-03-01

Method for controlling air conditioner compressor

#13
20180050578
2018-02-22

Parallel compressors climate system

#14
20180001742
2018-01-04

System and method of controlling an oil return cycle for a refrigerated container of a vehicle

#15
20170197492
2017-07-13

Vehicular air conditioning device

#16
20160361975
2016-12-15

Controlling HVAC compressor speed in a vehicle

#17
20160018145
2016-01-21

System and method for managing lubricant within a vapor compression heat pump

#18
20110192187
2011-08-11

Refrigeration Cycle System and Automotive Air-Conditioning System Including the Refrigeration Cycle System

#19
20110120160
2011-05-26

System For Controlling An Air-Conditioning System

#20
20100248604
2010-09-30

Evaporator frost prevention control logic for front and rear integrated HVAC system

#21
20100186430
2010-07-29

Method and system for detecting low refrigerant charge and air conditioner protection system

#22
20070245732
2007-10-25

Fluid machine, rankine cycle and control method

#23
20060289663
2006-12-28

Vehicle cooling system

#24
20050281686
2005-12-22

Refrigerant compressor with improved oil retention

#25
20050210900
2005-09-29

Air conditioner for vehicle capable of preventing inverter overheating

#26
20050056035
2005-03-17

Vehicle cooling system