Fluid handling – Systems – Sequentially closing and opening alternately seating flow...
Patent
1976-12-09
1978-05-23
Nilson, Robert G.
Fluid handling
Systems
Sequentially closing and opening alternately seating flow...
303 54, B60T 1506
Patent
active
040905330
ABSTRACT:
In a power control valve assembly in which the position of an inlet valve member relative to its seat is controlled by a control rod extending through a passage terminating in the seat, an end portion of the control rod has a profile which gives a variable throttling of flow through the passage in dependence upon the axial position of the control rod. In the valve described the end portion of the rod has an end part of constant diameter connected to a further part of reduced diameter by a sloping shoulder. Two such valve assemblies are shown arranged in parallel and operated through a single resilient block and a balance beam.
REFERENCES:
patent: 2474738 (1949-06-01), Hollerith
patent: 2616641 (1952-11-01), Gagen
patent: 2752947 (1956-07-01), Hruska
patent: 2970612 (1961-02-01), Lornitzo
patent: 3006657 (1961-10-01), Augustin
patent: 3183040 (1965-05-01), Gold
Girling Limited
Nilson Robert G.
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