F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/126 (2006.01) F16F 3/04 (2006.01)
Patent
CA 2677151
Apparatus to vary the effective spring rate of diaphragm actuators are described. An example spring assembly for use in a diaphragm actuator includes a first spring operatively coupled to a diaphragm plate and an actuator stem, and a second spring operatively coupled to the actuator stem and configured to be serially operative with the first spring. Additionally, a movable spring seat is disposed between the first and second springs.
L'invention concerne un appareil de variation de la constante de rappel efficace dans les actionneurs à membrane. Un ensemble de ressorts utilisés dans un actionneur à membrane comprend, par exemple, un premier ressort opérationnellement couplé à une plaque de membrane et une tige d'actionneur ; un second ressort opérationnellement couplé à la tige d'actionneur et conçu pour fonctionner en série avec le premier ressort. De plus, un siège de ressort mobile est disposé entre les premier et second ressorts.
Fisher Controls International Llc
Ridout & Maybee Llp
LandOfFree
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