Vapor control valve and system therefor

Patent · Mon Nov 02 23:00:00 EST 1987

OSTI ID:5584334

Cook, J E; Ciphery, D G

A hydrocarbon recovery and pressure control system is described comprising: a valve adapted to communicate between a source of hydrocarbons, a hydrocarbon storage unit and a source of vacuum pressure. The valve responsive to and adapted to receive control signals and the valve comprising: first passage means for communicating hydrocarbons from the source thereof to the storage unit, including a first valve seat; second passage means for communicating hydrocarbons from the storage unit to the vacuum pressure source, including a second valve seat; a solenoid assembly disposed between the first passage means and the second passage means; a central member, means for separating the central member into a first chamber proximate the first valve seat and a second chamber proximate the second valve seat, a first piston slidably received in the central member at the first chamber and first means for biasing the first piston into sealing engagement upon the first valve seat, a second piston slidably received in the central member.

• Assignee: Bendix Electronics Limited, Chatham
• Patent Number(s): US 4703737
• OSTI ID: 5584334
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
CONTROL
CONTROL EQUIPMENT
CONTROL SYSTEMS
DESIGN
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUIDS
FUEL SYSTEMS
GASES
HEAT ENGINES
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
OPERATION
ORGANIC COMPOUNDS
PISTONS
PRESSURE CONTROL
STORAGE
VALVES
VAPORS