Actuating device for two mutually dependently actuable valves

Details Actuating device for two mutually dependently actuable valves Actuating device for two mutually dependently actuable valves

1984-11-26

1986-10-21

Michalsky, Gerald A.

Fluid handling

Systems

Sequentially closing and opening alternately seating flow...

13759617, 25112906, F15B 13044

Patent

active

046179690

ABSTRACT:
An apparatus is provided for sequentially actuating a pair of valves used to control a flow of brake fluid in a vehicle. Each valve is yieldably biased toward a normal position. The apparatus includes an actuation member that is tiltable in response to movement of a piezoelectric member to accomplish sequential operation of the valve pair, the actuating member being tiltable during a first adjustment stroke counter to the force of the first valve spring about a first axis of rotation defined by a bearing point fixed to the housing and by a compression spring in order to actuate the first valve and move the first tappet to a selected position. The actuating member is also tiltable during a second adjustment stroke counter to the force of the compression spring about a second axis of rotation defined by the bearing point fixed to the housing and by the moved first tappet in order to actuate the second valve.

REFERENCES:
patent: 2622565 (1952-12-01), Venus

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