Valve actuator with internal amplifying means
OwnerHans D. Baumanninventor
Life of this patent
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Abstract
A Valve actuator with integral amplifying means having multiple linkage arrangements able to amplify the force generated by an air signal acting on a flexible diaphragm, and to transmit this force amplified on to a lower compression spring and ultimately on to a sliding actuator stem.
Claims9
A valve actuator with internal amplifying means, comprising a yoke having an upper concave extension with a central bore there through and furthermore having a terminating end, an actuator case suitably connected to said terminating end and containing therein a movable plate, an actuator stem slidingly engaged within said central bore of the yoke and wherein said upper concave extension encloses lower spring means, amplifying means capable to change the ratio of motion between that of the movable plate and that of the sliding actuator stem.
Dependencies are inferred from the claim text.