Patent ID: 6941962

Claim:
A control device for regulating fluid pressure comprising: a fluid sensing port; a pressure responsive device adjacent to the fluid sensing port; a valve; a valve seat located between the valve and the pressure responsive device; an outlet that is in fluid communication with an adjustable opening located between the valve and the valve seat; a first valve chamber; a second valve chamber that is moveable in relationship to the first valve chamber along a first axis and in fluid communication therewith; a first member located within the first valve chamber; a first biasing mechanism located between the pressure responsive device and the first member to apply pressure to the pressure responsive device that controls the pressure of fluid from the outlet; a first adjustment mechanism adjustably attached to the first valve chamber for selectively positioning the first member in relation to the first valve chamber; a second member located within the second valve chamber; a second biasing mechanism to apply pressure to the second member and is located within the second valve chamber; and a second adjustment mechanism adjustably attached to the second valve chamber for selectively positioning the second member in relation to the second valve chamber.