F01B3/04 - CPC Classification Index

ClassID:

136400 ⎘

F01B3/04 - CPC Classification

Classification description:

Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces

Sub-classes:

F01B3/045 » {by two or more curved surfaces, e.g. for two or more pistons in one cylinder} 11
F01B3/06 » by multi-turn helical surfaces and automatic reversal 6

Recent Application in this class:

20220170370

2022-06-02

Cam machine with adjustment mechanism

20220025767

2022-01-27

Opposed piston engine

20210310357

2021-10-07

Thrust Vectoring Ignition Chamber Engine with Axial Fuel Intake System

20210270135

2021-09-02

Gas or fluid driven mechanical stepper motor

20200408146

2020-12-31

Operation system for piston-type expander, and operation method for piston-type expander

20200141312

2020-05-07

Opposed piston engine

20190145347

2019-05-16

Stirling cycle and linear-to-rotary mechanism systems, devices, and methods

20190017432

2019-01-17

Method for operating an axial piston motor, and axial piston motor

20180313257

2018-11-01

AXIAL PISTON MOTOR AND METHOD FOR OPERATION OF AN AXIAL PISTON MOTOR

#10

20180128204

2018-05-10

AXIAL PISTON ENGINE AND METHOD FOR OPERATING AN AXIAL PISTON ENGINE

#11

20180045112

2018-02-15

Helical follower internal combustion engine

#12

20170320542

2017-11-09

A FLUID MOTOR AND A FLUID PUMP

#13

20170022932

2017-01-26

Stirling cycle and linear-to-rotary mechanism systems, devices, and methods

#14

20160121969

2016-05-05

A HYDRAULIC OR PNEUMATIC DRIVE SYSTEM, AND A MOTOR AND A PUMP THEREFOR

#15

20150114148

2015-04-30

CAM FOLLOWER WITH AN ANGLED AXIS OF ROTATION

#16

20150000514

2015-01-01

Rotary drive system having a cam follower with detachable wheel support

#17

20140182526

2014-07-03

Axial piston internal combustion engine using an Atkinson cycle

#18

20140130780

2014-05-15

Internal combustion engine

#19

20130276757

2013-10-24

ROTARY RECIPROCATING PISTON ENGINE

#20

20120272645

2012-11-01

Reciprocating combustion engine

#21

20120192830

2012-08-02

INTERNAL COMBUSTION ROTARY PISTON ENGINE

#22

20120118249

2012-05-17

AXIAL-PISTON ENGINE, METHOD FOR OPERATING AN AXIAL-PISTON ENGINE, AND METHOD FOR PRODUCING A HEAT EXCHANGER OF AN AXIAL-PISTON ENGINE

#23

20110253082

2011-10-20

Flywheel for barrel engine

#24

20110061631

2011-03-17

Engine with a variable volume chamber

#25

20110036330

2011-02-17

Internal combustion engine

#26

20110011368

2011-01-20

RECIPROCATING ENGINES

#27

20100258082

2010-10-14

ROTARY CYLINDER BLOCK ENGINE WITH UNEQUAL COMPRESSION AND EXPANSION STROKES

#28

20100258065

2010-10-14

Axial piston engine and method for operating an axial piston engine

#29

20100064992

2010-03-18

Eight-stroke engine cycle

#30

20090320799

2009-12-31

Drive system with a rotary energy-transmission element

#31

20090250020

2009-10-08

Reciprocating combustion engine

#32

20090222965

2009-09-10

SAFETY GLASSES FOR CLEAN ROOMS AND METHOD FOR SECURING SAME

#33

20080289606

2008-11-27

Piston cam engine

#34

20080141801

2008-06-19

Systems and methods for facilitating conversion between reciprocating linear motion and rotational motion

#35

20070234898

2007-10-11

Axial cam air motor

#36

20070193555

2007-08-23

Barrel engine block assembly

#37

20070131184

2007-06-14

Single-ended barrel engine with double-ended, double roller pistons

#38

20060283407

2006-12-21

Rotary engine employing undulating ramp driven by paired reciprocating pistons

#39

20050229876

2005-10-20

Two-way cylinder engine

#40

20050145207

2005-07-07

Single-ended barrel engine with double-ended, double roller pistons