Hydraulically operated valve with controlled lift

Details Hydraulically operated valve with controlled lift Hydraulically operated valve with controlled lift

1990-04-11

1991-09-17

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123532, 123534, 239456, 239459, 239584, 251285, 251336, 251 95, F02M 4902, F02M 5300, F02M 6116, F02M 6704

Patent

active

050484893

ABSTRACT:
A hydraulically operated valve with controlled lift, in particular a fuel/gas injection valve for internal combustion engines, has a stop face fixed on the valve stem. For accurate control of the opening of the valve a stop cam is provided, which is drivn mechanically via a friction clutch, and which cooperates with the stop face. By rotating the cam through a predetermined angle the maximum valve lift will be obtained. The cam may be brought into contact with the stop face even in the closed position of the valve.

REFERENCES:
patent: 1230536 (1917-06-01), Stoeltzien
patent: 1499794 (1924-07-01), Wennerby
patent: 1629633 (1927-05-01), Olsen
patent: 1980460 (1934-11-01), White
patent: 2968443 (1961-01-01), Manning
patent: 3043556 (1962-07-01), Noland
patent: 3134569 (1964-05-01), Sidenbender et al.
patent: 3363652 (1968-01-01), James
patent: 3430650 (1969-03-01), Cain
patent: 3477693 (1969-11-01), Bezanis
patent: 4300509 (1981-11-01), Schechter

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