ClassID:

143908

F04C2270/42 - CPC Classification

Classification description:

Control; Monitoring or safety arrangements Conditions at the inlet of a pump or machine

Recent Application in this class:
#1
20260132789
2026-05-14

SCROLL PUMP AND SCROLL PUMP INLET VALVE

#2
20240426297
2024-12-26

ELECTRIC COMPRESSOR WITH INTEGRATED SENSOR(S)

#3
20240151230
2024-05-09

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

#4
20230096279
2023-03-30

VACUUM SYSTEM HAVING CONDENSER AND ROOT VACUUM PUMP SET

#5
20210372404
2021-12-02

Power saving vacuuming pump system based on complete-bearing-sealing and dry-large-pressure-difference root vacuuming root pumps

#6
20200040895
2020-02-06

MULTISTAGE POWER SAVING VACUUM DEVICE WITH ROOT VACUUM PUMP IN FIRST STAGE

#7
20180356139
2018-12-13

Compressor control for increased efficiency

#8
20180283379
2018-10-04

Method for regulating the rotational speed of a compressor as a function of the available gas flow of a source and regulation thereby applied

#9
20180245593
2018-08-30

Scroll-type compressor having injection passage part to establish communication between an external injection pipe and compression chamber, and relief mechanism to establish communication between compression chamber and back pressure chamber

#10
20180230996
2018-08-16

Liquid fuel delivery comprising a pump to deliver liquid fuel from a storage source to a delivery location and a controller mitigating power to operate the pump on the basis of a predetermined liquid threshold at the pump inlet

#11
20130081425
2013-04-04

Scroll compressor and air conditioner including the same

#12
20130081424
2013-04-04

SCROLL COMPRESSOR AND AIR CONDITIONER INCLUDING THE SAME

#13
20100229626
2010-09-16

Apparatus for detecting a flammable atmosphere within a compressor, in particular a vacuum pump

#14
20100132389
2010-06-03

Compressor and refrigeration apparatus using the same

#15
20080038127
2008-02-14

SCREW COMPRESSOR