High rate discharge (HRD) valve opening mechanism for a fire and explosion protection
First Claim
Patent Images
1. A valve actuation mechanism, comprising:
- a valve member including;
a hollow bore on an interior of the valve member;
a moveable rod disposed within the bore; and
an actuating mechanism attached to the moveable rod;
wherein the actuating mechanism comprises an electronic protractor;
a plurality of links, each link with a proximal end and distal end, the links disposed adjacent the valve member;
at least one roller connected to the distal ends of at least two links, wherein the roller contacts a surface of the valve member; and
at least one pivot for each link present in the valve, wherein each pivot is positioned on the proximal end of each of the plurality of links.
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Accused Products
Abstract
A valve actuation mechanism has a plurality of links. Each link has a proximal end and distal end, and the links are disposed adjacent a valve member. The actuation mechanism also has at least one roller connected to the distal ends of at least two links. The roller contacts a surface of the valve member. In addition, at least one pivot for each link is present in the valve, wherein each pivot is positioned on the proximal end of each of the plurality of links.
40 Citations
8 Claims
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1. A valve actuation mechanism, comprising:
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a valve member including; a hollow bore on an interior of the valve member; a moveable rod disposed within the bore; and an actuating mechanism attached to the moveable rod; wherein the actuating mechanism comprises an electronic protractor; a plurality of links, each link with a proximal end and distal end, the links disposed adjacent the valve member; at least one roller connected to the distal ends of at least two links, wherein the roller contacts a surface of the valve member; and at least one pivot for each link present in the valve, wherein each pivot is positioned on the proximal end of each of the plurality of links. - View Dependent Claims (2, 3, 4)
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5. A high speed valve, comprising:
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a valve body having a flow passage therethrough; a valve member including; a hollow bore on an interior of the valve member; a moveable rod disposed within the bore; and an actuating mechanism attached to the moveable rod; wherein the actuating mechanism comprises an electronic protractor; a poppet disposed within the valve body, the poppet movable between a first position in which the poppet blocks the flow passage and a second position, the poppet containing a piston connected to a stem at a proximal end of the stem; and a pivotal link actuation mechanism adjacent a distal end of the stem including; a plurality of links, each link with a proximal end and a distal end, the links disposed adjacent the valve member; at least one roller connected to the distal ends of at least two links, wherein the roller contacts a surface of the valve member; and at least one pivot for each link present in the valve, wherein each pivot is positioned on the proximal end of each of the plurality of links. - View Dependent Claims (6, 7, 8)
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Specification