F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/43.2
F16K 31/365 (2006.01) G05D 16/06 (2006.01)
Patent
CA 1302202
21-56(5577)A ABSTRACT OF THE DISCLOSURE A self-operated droop compensated regulator includes a spring casing and a lower casing, sandwiching a diaphragm. The lower casing has axially aligned inlet and outlet ports. A one piece cam stem and relief seat is mounted for movement with the diaphragm and includes a first cam surface for directly engaging a movable disk holder. The disk holder is movable in a straight line within an orifice tube that supports the valve seat. The cam surface moves the disk holder at a nonlinear rate with respect to the diaphragm. The orifice tube has an extension for providing a boost action to the diaphragm. A pressure relief mechanism is incorporated within the upper portion of the diaphragm. A bias spring acts, between a second similar cam surface on the opposite side of the stem and the disk holder, to maintain the first cam surface in contact with the disk holder.
592174
Hood Mark Erby
Rice Donald Duane
Fisher Controls International Inc.
Mcfadden Fincham
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