Patents-Review.com
ClassID:

136705 ⎘

F01C20/24 - CPC Classification

Classification description:

Control of, monitoring of, or safety arrangements for, machines or engines characterised by using valves for controlling pressure or flow rate, e.g. discharge valves

Sub-classes:
Recent Application in this class:
#1
20240076986
2024-03-07

Systems and methods for a partial state condenser

 #2
20230287793
2023-09-14

Systems and methods for a heat engine system

 #3
20230243261
2023-08-03

External combustion rotary engine

 #4
20230212967
2023-07-06

Muffler

 #5
20200392844
2020-12-17

Conversion Chamber Power Device

 #6
20200362886
2020-11-19

Logic valve for the management of a hydraulic actuator and corresponding hydraulic circuit

 #7
20200232326
2020-07-23

Gear pump or motor with features for determining if assembled correctly

 #8
20200123971
2020-04-23

Compound engine system with rotary engine

 #9
20190308741
2019-10-10

Micro-auxiliary power units

 #10
20190055882
2019-02-21

Rotary internal combustion engine with pilot subchamber

 #11
20180298757
2018-10-18

Split-chamber rotary engine improvements

 #12
20180266385
2018-09-20

Pneumatic engine and related methods

 #13
20180187593
2018-07-05

Rotary internal combustion engine with pilot subchamber

 #14
20180080371
2018-03-22

Rotary internal combustion engine with pilot subchamber

 #15
20180045110
2018-02-15

Rotary internal combustion engine

 #16
20170335762
2017-11-23

Compound engine system with rotary engine

 #17
20170321554
2017-11-09

Pneumatic engine and related methods

 #18
20170298734
2017-10-19

Rotary actuator

 #19
20170096897
2017-04-06

Method for expanding a gas flow and device thereby applied

 #20
20170074160
2017-03-16

Rotary internal combustion engine with variable volumetric compression ratio

 #21
20170067395
2017-03-09

Rotary internal combustion engine with pilot subchamber

 #22
20160258291
2016-09-08

Reversing mechanism for a power tool

 #23
20160252083
2016-09-01

Turbomachine which can be operated both as hydraulic motor and as pump

 #24
20150240710
2015-08-27

Rotary internal combustion engine with pilot subchamber

 #25
20150233286
2015-08-20

Compound engine system with rotary engine

 #26
20150075483
2015-03-19

Rotary internal combustion engine with exhaust purge

 #27
20140224207
2014-08-14

Rotary internal combustion engine with variable volumetric compression ratio

 #28
20140219852
2014-08-07

Gerotor hydraulic device with adjustable output

 #29
20140105775
2014-04-17

Gerotor motor balancing plate structure

 #30
20140030081
2014-01-30

Adjustable centrifugal governor speed control

 #31
20130028772
2013-01-31

Compound engine system with rotary engine

 #32
20130028768
2013-01-31

Rotary internal combustion engine with exhaust purge

 #33
20130025567
2013-01-31

Rotary internal combustion engine with pilot subchamber

 #34
20130025566
2013-01-31

Rotary internal combustion engine with variable volumetric compression ratio

 #35
20120131949
2012-05-31

FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS

 #36
20120012112
2012-01-19

Respiratory therapy device

 #37
20110135503
2011-06-09

Compressor with sensor and valve plate arrangement

 #38
20100319652
2010-12-23

ROTOR HOUSING ASSEMBLY FOR ROTARY ENGINE AND RELATED DEVICES AND METHODS

 #39
20100307487
2010-12-09

RESPIRATORY THERAPY DEVICE AND METHOD

 #40
20100050628
2010-03-04

High efficiency positive displacement thermodynamic system

 #41
20090120114
2009-05-14

Compressor with flow control sensor

 #42
20080202116
2008-08-28

Method and Apparatus for Improving the Operation of Positive Displacement Expanders

 #43
20080110455
2008-05-15

Passive respiratory therapy device

 #44
20080110451
2008-05-15

Respiratory therapy device and method

 #45
20070175435
2007-08-02

Rotary compressor and expander, and rotary engine using the same

 #46
20070172374
2007-07-26

Expander

 #47
14962965
2018-11-06

Reverse vane engine extracting work from hot gas entering an engine at an ambient pressure