ClassID:

143887

F04C2270/14 - CPC Classification

Classification description:

Control; Monitoring or safety arrangements Pulsations

Sub-classes:
Recent Application in this class:
#1
20240191713
2024-06-13

Slide Valve for a Twin-Screw Compressor

#2
20200291942
2020-09-17

Slide valve for a twin-screw compressor

#3
20190309753
2019-10-10

Scroll compressor having discharge cover providing a space to guide a discharge flow from a discharge port to a discharge passgae formed by a plurality of discharge holes

#4
20190048899
2019-02-14

Hydraulic device that controls pulsation in first oil by increasing rotation number of second pump

#5
20180274542
2018-09-27

BEARING PLATE NOISE DAMPER

#6
20170089233
2017-03-30

Vane oil pump

#7
20170074269
2017-03-16

Rotary compressor

#8
20160208799
2016-07-21

Low-pulse vane pumps

#9
20150017045
2015-01-15

Vacuum pump of vehicle preventing lubricant from reintroducing for reducing operation noise

#10
20140284131
2014-09-25

Work vehicle with fluid attentuator

#11
20140260343
2014-09-18

Variable frequency drive apparatuses, systems, and methods and controls for same

#12
20120325356
2012-12-27

Pulsation Attenuation

#13
20120085119
2012-04-12

Refrigerant compressor and heat pump apparatus

#14
20120085118
2012-04-12

Refrigerant compressor and heat pump apparatus

#15
20110300015
2011-12-08

Vane pump

#16
20110123379
2011-05-26

Variable displacement pump

#17
20110052437
2011-03-03

Scroll compressor having through holes with a set depth

#18
20100276226
2010-11-04

Muffler

#19
20100209280
2010-08-19

SCREW COMPRESSOR PULSATION DAMPER

#20
20100124513
2010-05-20

Gear pump

#21
20090068028
2009-03-12

Compressor muffler

#22
20090060759
2009-03-05

Compressor sound suppression

#23
20090038684
2009-02-12

Pulsation attenuation