Pneumatic valve recoil system for internal combustion engines

Details Pneumatic valve recoil system for internal combustion engines Pneumatic valve recoil system for internal combustion engines

1995-06-28

1997-09-09

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Pneumatic system

123 9065, 123 9012, 12318817, 251337, F01L 310

Patent

active

056645279

ABSTRACT:
A pneumatic valve recoil system includes a piston that is unitary with the stem of a valve and which slides in a cylinder, such that the piston, valve stem, and cylinder cooperate to form a chamber containing a compressible fluid. The chamber is connected through a single calibration port to an oil-evacuation and fluid-pressure-regulating system located outside the cylinder head of the engine.

REFERENCES:
patent: 5553572 (1996-09-01), Ochiai
patent: 5558054 (1996-09-01), Ariga et al.

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