Patents-Review.com
ClassID:

143893 ⎘

F04C2270/17 - CPC Classification

Classification description:

Control; Monitoring or safety arrangements Tolerance; Play; Gap

Sub-classes:
Recent Application in this class:
#1
20240328419
2024-10-03

SCREW PUMP, SCREW ROTOR, METHOD OF MANUFACTURING A SCREW ROTOR, AND USE OF A SCREW PUMP OR A SCREW ROTOR

 #2
20240035472
2024-02-01

METHOD FOR STOPPING A VACUUM PUMP

 #3
20230013936
2023-01-19

Screw pump or machine with a liner that bends and/or pivots with the rotors

 #4
20210348610
2021-11-11

Piston limiting structure, compressor, and heat exchange apparatus

 #5
20210108637
2021-04-15

Scroll compressor having an arcuate portion side surface clearance larger than a spiral portion side surface clearance

 #6
20190376516
2019-12-12

Offset stator bores for pump sealing

 #7
20190277282
2019-09-12

Vacuum pump sealing element

 #8
20190120230
2019-04-25

Scroll fluid machine having a different mesh clearance between the fixed and orbiting scroll wraps

 #9
20180238328
2018-08-23

Pump comprising a proximity sensor

 #10
20170334212
2017-11-23

Gear pump and printing apparatus provided with same

 #11
20170284391
2017-10-05

Electric oil pump, in particular for a motor vehicle

 #12
20170276467
2017-09-28

Clearance gage

 #13
20170234130
2017-08-17

Scroll fluid machine with improved reliability and performance of components thereof

 #14
20160303864
2016-10-20

Gear pump and printing apparatus provided with same

 #15
20160040669
2016-02-11

Two-shaft rotary pump with escape holes

 #16
20150369244
2015-12-24

Scroll compressor

 #17
20150118094
2015-04-30

Positive displacement pump assembly with movable end plate for rotor face clearance control

 #18
20150078933
2015-03-19

Rotary compressor and refrigerating cycle apparatus

 #19
20150056091
2015-02-26

Scroll compressor

 #20
20150017049
2015-01-15

Oil pump

 #21
20140178233
2014-06-26

Oil pump rotor

 #22
20130251581
2013-09-26

Two-spindle pump of single-flow construction

 #23
20130171018
2013-07-04

Screw compressor with slide valve including a sealing projection

 #24
20120315173
2012-12-13

Scroll compressor

 #25
20120100028
2012-04-26

Screw compressor having slide valve with inclined end face

 #26
20110293441
2011-12-01

MULTIPHASE PUMP FLOW RECIRCULATION SYSTEM

 #27
20110286865
2011-11-24

Hermetic compressor

 #28
20110256010
2011-10-20

Scroll compressor having an allowable angle of rotation

 #29
20110229361
2011-09-22

Rotary pump including inner rotor and outer rotor having different axial size of an axial clearance

 #30
20110165009
2011-07-07

GATE ROTOR AND SCREW COMPRESSOR

 #31
20110070117
2011-03-24

Single screw compressor

 #32
20100284848
2010-11-11

Screw compressor with adjacent helical grooves selectively opening to first and second ports

 #33
20100278678
2010-11-04

SCREW COMPRESSOR

 #34
20100278677
2010-11-04

Screw compressor having a gate rotor assembly with pressure introduction channels

 #35
20100260637
2010-10-14

Single screw compressor

 #36
20100260620
2010-10-14

Screw compressor with capacity control slide valve

 #37
20100021329
2010-01-28

Scroll compressor having an allowable angle of rotation

 #38
20090169364
2009-07-02

Progressive cavity apparatus with transducer and methods of forming and use

 #39
20080085208
2008-04-10

Oil pump rotor assembly

 #40
20080063536
2008-03-13

Method of controlling the stopping operation of vacuum pump and device therefor

 #41
20070196228
2007-08-23

Dry Pumps

 #42
20060198735
2006-09-07

Vacuum pump and method of starting the same

 #43
20060182647
2006-08-17

Screw compressor

 #44
15255657
2019-06-04

Passage arrangement for cooling, lubricating and reducing the size of rotary machines

 #45
15255617
2019-01-22

Non-contracting bidirectional seal for gaseous rotary machines