George S Jacobs

US Patent:

51353601, Aug 4, 1992

Filed:

Jan 14, 1991

Appl. No.:

7/640971

Inventors:

R. David Anderson - Wichita Falls TX
George S. Jacobs - Wichita Falls TX

International Classification:

F04B 2302

US Classification:

417 53

Abstract:

A device and method are shown for controlling tank vapors on a petroleum storage tank of the type having a tank vapor line which runs to a suction scrubber. The scrubber being connected by conduit to a reciprocating compressor which, in turn, is connected to a compressed vapor discharge line for passing compressed vapors to a gas sales line. The reciprocating compressor is operated to draw tank vapor through the suction scrubber and through the reciprocating compressor to discharge vapor through the compressed vapor discharge line. A pneumatic control valve is installed in the tank vapor line for controlling the flow of tank vapors to the suction scrubber. A pilot valve is provided as a part of the pneumatic control valve for controlling the operation of the control valve. The control valve is operated to maintain a vacuum in the tank vapor line between the control valve and the suction scrubber to eliminate the tendency of tank vapor to liquify in the tank vapor line.

US Patent:

45123659, Apr 23, 1985

Filed:

Dec 8, 1983

Appl. No.:

6/559325

Inventors:

George S. Jacobs - Wichita Falls TX
R. David Anderson - Wichita Falls TX

International Classification:

F16K 3134

US Classification:

137413

Abstract:

An improved float actuated pilot valve is shown for use in an oil and gas separator. The pilot valve has a valve body with a gas inlet, a lower chamber communicating with the gas inlet, an upper chamber, a gas outlet, and a gas passage connecting the upper chamber, lower chamber, and gas outlet. An actuator piston is contained within the upper chamber and has a top stem contactable by the flapper arm of a displaceable float located within the separator. The actuator piston also has a bottom stem which is slidably received within a portion of the valve gas passage. A control piston is contained within the lower chamber and has an upper stem in contact with the actuator bottom stem and has a lower stem. The control piston has an upper sealing face which sealingly engages the opening of the gas passage into the lower chamber. A coil spring normally biases the control valve sealing face toward a closed position in contact with the gas passage opening to block the flow of gas from the gas outlet.

US Patent:

46991751, Oct 13, 1987

Filed:

Oct 27, 1986

Appl. No.:

6/925513

Inventors:

R. David Anderson - Wichita Falls TX
George S. Jacobs - Wichita Falls TX

Assignee:

Mizer Controls, Inc. - Shreveport LA

International Classification:

G05D 1600
F16K 1104

US Classification:

1376275

Abstract:

A flapper actuated pilot valve is shown in which the output pressure from the valve is dependent upon and proportional to the force exerted by the flapper. The valve includes a valve body with upper and lower chambers and an interconnecting gas passage. A spring-biased poppet in the lower chamber has a primary sealing surface for sealing off the lower chamber and a secondary sealing surface which is contacted by a flapper element located in the upper chamber. The flapper element has an interior bore leading to an exhaust port in an upper end of the flapper element which extends through an opening in the valve body. The flapper element is supported within the upper chamber by means of a pressure sensitive diaphragm. The diaphragm area and primary and secondary sealing areas cooperate so that to provide an outlet gas pressure which is proportional to the external force supplied by the flapper upon the flapper element.