F01L7/045 - CPC Classification Index

ClassID:

137299 ⎘

F01L7/045 - CPC Classification

Classification description:

Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves surrounding working cylinder or piston with two or more valves arranged coaxially

Recent Application in this class:

20180051600

2018-02-22

Valve apparatus having slowly revolving rotary valves for internal combustion engines

20070107679

2007-05-17

Reciprocating cylinder engine

20070028866

2007-02-08

Internal combustion engine