Chatter free gear driven cam actuated vacuum pump

Details Chatter free gear driven cam actuated vacuum pump Chatter free gear driven cam actuated vacuum pump

1980-09-18

1982-10-05

Staab, Lawrence J.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74569, F16H 5306, F16H 2508

Patent

active

043522963

ABSTRACT:
A vacuum pump having a cam actuated spring-biased pumping element and a gear for rotatably driving the cam has a torque counterbalancing spring and plunger device engaging the cam in a position out of phase with the pumping element and arranged to apply counterbalancing torques that prevent the application of torque reversals to the gear and thus avoid gear oscillation and chatter.

REFERENCES:
patent: 1404183 (1922-01-01), Augustine
patent: 1598839 (1926-09-01), Wills
patent: 2423701 (1947-07-01), Hardy
patent: 3377882 (1968-04-01), Schrempp
patent: 3543589 (1970-12-01), Loughran, Jr.
patent: 4156416 (1979-05-01), Weisgerber et al.

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