Rotary shafts – gudgeons – housings – and flexible couplings for ro – Speed responsive device for adjusting relative rotational... – Actuated by fluid or electricity
Patent
1993-05-17
1995-07-25
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Speed responsive device for adjusting relative rotational...
Actuated by fluid or electricity
123 9017, F01L 134
Patent
active
054357829
ABSTRACT:
A timing variator which is constructed to provide at least three predetermined different relative angular settings of the camshaft and the timing system of an internal combustion engine; the variator comprises a piston actuator slidable inside a space against a spring as a pressurized fluid is delivered into a supply chamber thereof. When the piston is to be stopped at a position intermediate to two end-of-stroke positions, in order to obtain an intermediate timing setting, pressurized fluid is delivered behind the piston, thereby producing an additional thrust concurrent with the spring thrust and partly balancing out the pressure of the medium being delivered into the supply chamber.
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patent: 5311846 (1994-05-01), Mueller
Carraro S.p.A.
Dunn Eileen A.
Stodola Daniel P.
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