Trip manifold

Details Trip manifold Trip manifold

2006-11-21

2006-11-21

Fox, John (Department: 3753)

Fluid handling

With indicator, register, recorder, alarm or inspection means

Plural

C415S017000, C073S756000

Reexamination Certificate

active

07137407

ABSTRACT:
A trip manifold assembly is disclosed which includes a manifold body connected to a header shaft. The header shaft passes through a plurality of rotary valves. Each rotary valve is connected to a pressure transmitter. The header shaft comprises two passages including a transmitter input passage and a drain passage. The rotary valves each comprise a through passage. A manifold body provides fluid communication between an input source and the transmitter input passage of the header shaft. The manifold also provides communication between the drain passage of the header shaft and a drain vent. The rotary valves are each independently rotatable between two positions including a transmit position where the through passage of each valve provides communication between the transmitter input passage of the header shaft and their respective pressure transmitters. Each rotary valve is also independent rotatable to a drain position where the through passage of each valve is in communication with the drain passage of the header shaft. Multiple header shafts may be provided in a single manifold assembly and each header shaft can handle more than one input that needs to be monitored.

REFERENCES:
patent: 5303733 (1994-04-01), Nelson
patent: 5561976 (1996-10-01), Chu et al.
patent: 5610341 (1997-03-01), Tortora
patent: 5945591 (1999-08-01), Saarem
patent: 6349735 (2002-02-01), Gul
patent: 6484587 (2002-11-01), Gul
patent: 6675829 (2004-01-01), Moore et al.
patent: 6729135 (2004-05-01), Norris et al.
patent: 6921244 (2005-07-01), Johnson
patent: 61129408 (1986-06-01), None
Protective Devices—“Low Vacuum, Low Bearing Oil Pressure, Thrust Bearing & Solenoid Operated Trips” (Mar. 26, 1968).
Emergency Tripping System—“Using Hydraulic Trip-Reset Pilots Tanden Compound Turbine with Trip Anticipator” (Nov. 1968).
Search Report under Section 17(5) issued in GB0603453.2 application by United Kingdom Patent Office on Jun. 14, 2006.

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