G - Physics – 05 – D
Patent
G - Physics
05
D
137/39.1
G05D 16/00 (2006.01) G05D 16/06 (2006.01)
Patent
CA 2011009
ABSTRACT An in-line pressure regulator comprises a housing having an inlet and an outlet. The housing provides a first chamber open to the inlet which has a first port open to a second chamber, a second port opens to the second chamber, which also has a third port opening to the outlet. A support element is movably received within the first and second chambers and accommodates a set of three valve members wherein a valve member is associated with each port. The support element is movable within the first chamber to vary the extent of engagement of the valve members with the first and second ports. The support element is biased to an end position at which the first and second ports are open, and the third port is closed. The support element supports a pressure surface in the secondary chamber whereby the force exerted by fluid pressure in the secondary chamber on the support element counteracts the biasing force applied thereto to move the support element from its end position to a regulating position. In the regulating position the first and second valves are moved proximate the first and second ports to vary the degree of opening of the ports in accordance with the fluid pressure applied at the inlet.
Fluid Technology (aust) Ltd.
Mccarthy Tetrault Llp
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