ClassID:

143906

F04C2270/24 - CPC Classification

Classification description:

Control; Monitoring or safety arrangements Level of liquid, e.g. lubricant or cooling liquid

Recent Application in this class:
#1
20250341212
2025-11-06

MOTOR AND PUMP SYSTEM WITH FLUID LEVEL CONTROL PLATE

#2
20250137456
2025-05-01

COMPRESSOR-OIL RECEIVING DEVICE AND COMPRESSOR SYSTEM HAVING A COMPRESSOR-OIL RECEIVING DEVICE OF THIS TYPE

#3
20240247656
2024-07-25

Methods and systems for lubricating a transport climate control system having an auxiliary sump

#4
20240151230
2024-05-09

Method for detecting and monitoring condensate in an oil system of an oil-injected compressor or vacuum pump

#5
20200200181
2020-06-25

Oil control for climate-control system

#6
20200200160
2020-06-25

Oil control for climate-control system

#7
20190360488
2019-11-28

System Including High-Side And Low-Side Compressors

#8
20190301465
2019-10-03

Compressor system and system for maintaining a desired oil level

#9
20190285070
2019-09-19

Oil equalization configuration for multiple compressor systems containing three or more compressors

#10
20190211826
2019-07-11

Screw compressor for a utility vehicle

#11
20190032666
2019-01-31

Refrigerant compressor unit

#12
20180363652
2018-12-20

Method of controlling the temperature and mass flow of a liquid injected into the bearings and compressor space of a compressor using two separated liquid supplies

#13
20180347556
2018-12-06

Compressor, refrigerant compressing apparatus, and refrigerating apparatus

#14
20180238329
2018-08-23

Oilless compressor

#15
20180058733
2018-03-01

Method for operating an oil level regulator

#16
20170235318
2017-08-17

Method of monitoring a fluid level within a fluid volume

#17
20170089340
2017-03-30

Compressor having oil-level sensing system

#18
20170045052
2017-02-16

Multiple compressor configuration with oil-balancing system

#19
20160319816
2016-11-03

Compressor having oil-level sensing system

#20
20160258656
2016-09-08

System including high-side and low-side compressors

#21
20160252093
2016-09-01

Compressor assembly with liquid sensor

#22
20160252092
2016-09-01

Compressor assembly with liquid sensor

#23
20160123325
2016-05-05

Compressor and method of autonomously inspecting oil

#24
20140363310
2014-12-11

Water-injected gas compressor and method for controlling the water supply

#25
20140044581
2014-02-13

Rotary compressor and rotation mechanism

#26
20140037484
2014-02-06

Oil equalization configuration for multiple compressor systems containing three or more compressors

#27
20140037483
2014-02-06

Method of active oil management for multiple scroll compressors

#28
20130136622
2013-05-30

Compression device and a thermodynamic system comprising such a compression device

#29
20120107141
2012-05-03

Motor-driven compressor and controller therefor

#30
20110239672
2011-10-06

Oil level detecting device for a compressor and an air conditioning system having the same

#31
20110138831
2011-06-16

REFRIGERATION CYCLE APPARATUS

#32
20100202909
2010-08-12

Fluid machine and refrigeration cycle apparatus

#33
20080008614
2008-01-10

Horizontal type scroll compressor including a first space and a second space