Pressure transmitter manifold
First Claim
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1. A pressure transmitter manifold comprisinga body,an inlet into said body,a pair of ports into said body,a first passage through said body between said inlet and one of said ports,a second passage through said body between said inlet and the other of said ports,said inlet supplying a common pressure to both of said ports,a first valve in said body controlling communication through said first passage,a second valve in said body controlling communication through said second passage,a first bleed connection into said block communicating with said first passage between said first valve and said connection,means closing said first bleed connection,a second bleed connection into said block communicating with said second passage between said second valve and said connection,means closing said second bleed connection, andmeans for mounting said block in a preselected position.
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Abstract
A pressure transmitter manifold having a block with an inlet in communication with a pair of outlets, valve means controlling communication between the inlet and said outlets, valve controlled bleed and test connections in communication with said outlets and means for supporting said manifold block in a preselected position.
47 Citations
7 Claims
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1. A pressure transmitter manifold comprising
a body, an inlet into said body, a pair of ports into said body, a first passage through said body between said inlet and one of said ports, a second passage through said body between said inlet and the other of said ports, said inlet supplying a common pressure to both of said ports, a first valve in said body controlling communication through said first passage, a second valve in said body controlling communication through said second passage, a first bleed connection into said block communicating with said first passage between said first valve and said connection, means closing said first bleed connection, a second bleed connection into said block communicating with said second passage between said second valve and said connection, means closing said second bleed connection, and means for mounting said block in a preselected position.
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2. A pressure transmitter manifold comprising a body,
an inlet into said body, a pair of ports into said body, a first passage through said body between said inlet and one of said ports, a second passage through said body between said inlet and the other of said ports, said inlet supplying a common pressure to both of said ports, a first valve in said body controlling communication through said first passage, a second valve in said body controlling communication through said second passage, a first bleed connection into said block communicating with said first passage between said first valve and said one of said ports, means closing said first bleed connection, a second bleed connection into said block communicating with said second passage between said second valve and the other of said ports, and means closing said second bleed connection.
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3. A pressure transmitter manifold comprising a body,
an inlet into said body, a pair of ports into said body, a first passage through said body between said inlet and one of said ports, a second passage through said body between said inlet and the other of said ports, said inlet supplying a common pressure to both of said ports, a first valve in said body controlling communication through said first passage, a second valve in said body controlling communication through said second passage, a pair of connections extending into said body, a portion of said first passage extending between said inlet and one of said connections, and a portion of said second passage extending between said inlet and the other of said connections, said portions of said passages by-passing said valves.
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4. Apparatus for mounting a pressure transmitter comprising
a manifold block having an inlet, a pair of outlets, passage means through said block connecting the inlet to the outlets, and means for isolating each outlet individually from the inlet, said inlet supplying a common pressure of both of said outlets, means for supporting said manifold block in a preselected position, a pressure transmitter connected into one of said outlets, a bleed connection into each of said connecting means between said outlets and said isolating means, and valve means controlling said bleed connections.
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5. Apparatus for mounting a pressure transmitter comprising
a manifold block having an inlet, a pair of outlets, passage means through said block connecting the inlet to the outlets, and means for isolating each outlet individually from the inlet, said inlet supplying a common pressure to both of said outlets, means for supporting said manifold block in a preselected position, a pressure transmitter connected into one of said outlets, a first connection into said passage means through said block, connecting at a point between said inlet and one of said isolating means, and a pressure switch connected to said first connection to provide shut-down if pressures at said inlet exceed preselected limits.
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7. Apparatus for mounting a pressure transmitter comprising
a manifold block having an inlet, a pair of outlets, passage means through said block connecting the inlet to the outlets, and means for isolating each outlet individually from the inlet, said inlet supplying a common pressure to both of said outlets, means for supporting said manifold block in a preselected position, a pressure transmitter connected into one of said outlets, a second connection into said passage means through said block connecting at a point between said inlet and the other of said isolating means, and a purge system connected to said second connection and having a source of purge fluid, a control valve and a purge fluid meter.
Specification
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Litigation Data
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Current AssigneeAnderson, Greenwood & Co. (Johnson Controls International plc)
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Original AssigneeAnderson, Greenwood & Co. (Johnson Controls International plc)
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InventorsSchomer, Marion L., Hewson, John E.
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Primary Examiner(s)WOODIEL, DONALD
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Application NumberUS06/114,572Time in Patent Office783 DaysField of Search73/756, 73/714, 73/115, 137/340, 137/886, 137/883US Class Current73/756CPC Class CodesG01L 19/0015 using switching means
