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Claus D. Raddatz - Bolingbrook IL Ronald J. Wojtecki - Naperville IL Norman E. Zerndt - Palatine IL
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
F16J 302
US Classification:
92 98D
Abstract:
A fluid pressure operated servomotor having a housing shell containing a flexible diaphragm forming a fluid pressure chamber with a port through the housing connectable for receiving a fluid pressure signal. The diaphragm has a rigid insert extending therethrough and sealed thereabout with a cup shape on the interior of the chamber and having a rod pivot surface formed on the exterior side of the diaphragm. A spring inside the chamber has one end registered in the cupped shape to bias the diaphragm insert in one direction. In one embodiment, the insert is shaped to have a rod pivot surface nested in the coils spring such that the rod pivot load resists lateral buckling of the spring; and, in another embodiment, a shroud is formed on the insert about the rod pivot surface for limiting rotation of the insert with respect to the rod end.
Speed Bias Fluid Pressure Regulator And Systems Utilizing Same
Andrew A. Kenny - Roselle IL Ronald J. Wojtecki - Naperville IL
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
G05D 1606
US Classification:
137 53
Abstract:
Disclosed is a speed controlled fluid pressure regulator that is adapted to provide a fluid pressure control signal for use in a variety of control functions in response to changes in rotational speed of an object such as a rotating component of an internal combustion engine. The regulator is controlled by a speed biasing mechanism that utilizes a counterbalancing arrangement between a biasing means and a component that is moved by a centrifugal weight assembly in response to changes in the rotational speed of the object being monitored to position a valve of the regulator with a high degree of sensitivity which in turn enables the regulator to provide the output fluid pressure control signal from a fluid pressure source in a highly effective manner. Also disclosed is the use of the regulator in conjunction with fluid pressure signals derived from other sources such as from changes in pressure or the position of an internal combustion engine throttle which can be used to advantage in controlling the supercharger of the engine.