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  1. Technology classes
  2. /F · Mechanical engineering
  3. /F01 · Machines or engines in general
  4. /F01L · Cyclically operating valves for machines or engines
  5. /F01L 31/00 · Valve drive, valve adjustment during operation, or other valve control, not provided
  6. /F01L 31/08 · Valve drive or valve adjustment, apart from tripping aspects
  7. /F01L 31/10 · The drive being effected by eccentrics
  8. /F01L 31/12
F01L 31/12

Valve adjustment by displacing eccentric

F01L31/12 (Valve adjustment by displacing eccentric) appears on 2 US grants and 4 published applications in this corpus.

Search patents in F01L

Where it sits

  1. FMechanical engineering
  2. F01Machines or engines in general
  3. F01LCyclically operating valves for machines or engines
  4. F01L 31/00Valve drive, valve adjustment during operation, or other valve control, not provided
  5. F01L 31/08Valve drive or valve adjustment, apart from tripping aspects
  6. F01L 31/10The drive being effected by eccentrics
  7. F01L 31/12Valve adjustment by displacing eccentric
Granted patents
2
Published applications
4
Assignees
3
Inventors
15
Latest grant
20 Sep 2022

Filings by year

Granted patentsPublished applications
F01L 31/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
200601
200700
200800
200900
201000
201100
201200
201300
201400
201500
201600
201700
201800
201900
202012
202100
202210
202301

200620162023

By publication year.

Recent patents

  • Valve mechanism, engine and vehicle20 Sep 2022US 11,448,105 B2Great Wall Motor Company Limited
  • Variable valve timing device and assembly method of variable valve timing device29 Dec 2020US 10,876,435 B2Mitsubishi Electric Corporation
  • Orbital-epicycle crankshaft with a reversible and adjustable constant volume combustion cycle at tdc or bdc31 Aug 2023US 2023/0272739 A1
  • Valve mechanism, engine and vehicle7 May 2020US 2020/0141291 A1Great Wall Motor Company Limited
  • Variable valve timing device and assembly method of variable valve timing device20 Feb 2020US 2020/0056518 A1Mitsubishi Electric Corporation
  • Valve actuator assembly7 Sep 2006US 2006/0196457 A1Timken US Corporation

Most cited

By later US patents

No patent in this class has been cited by a later US patent yet.

Top assignees

Documents
  • Great Wall Motor Company Limited2
  • Mitsubishi Electric Corporation2
  • TUTimken US Corporation1

Often classified with

  • F02BInternal-combustion piston engines1
  • F16HGearing1

Documents that also carry the other class.

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