Title:
VALVE DRIVE
Document Type and Number:
Japanese Patent JPS63198710
Kind Code:
A
Abstract:
A valve drive assembly for an internal combustion engine includes a given number of pistons, the given number of inlet or outlet valves each being connected to a piston and independently movable by hydraulic fluid acting upon the pistons, at least one rotatable link disposed in a housing for aiding in shutting off and releasing a supply of hydraulic fluid to the pistons at regular intervals, and an auxiliary shaft supported in the rotatable link and driven by a crankshaft. First and second supply lines for hydraulic fluid lead from a hydraulic pump to first and second annular grooves formed in the housing. The rotatable link has the given number of radial third and fourth conduits formed therein communicating with the first and second annular grooves. The auxiliary shaft has fifth and sixth annular grooves formed therein communicating with the third and fourth conduits. Fifth and sixth conduits communicate with the fifth and sixth annular grooves. Seventh and eighth conduits communicate with the fifth and sixth conduits. Third and fourth annular grooves lead from the seventh and eighth conduits to first and second conduits which lead to the pistons. Ribs divide the fifth and sixth annular grooves into the given number of sectors.
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Inventors:
TITTIZER GABRIEL
JUNGHANS EWALD
JUNGHANS EWALD
Application Number:
JP2485388A
Publication Date:
August 17, 1988
Filing Date:
February 04, 1988
Export Citation:
Assignee:
INTERATOM
International Classes:
F01L1/34; F01L9/10; F01L13/00; F01L31/22; F02D13/02; (IPC1-7): F01L9/02
Attorney, Agent or Firm:
Tomimura Kiyoshi