Hydrocarbon flow rate regulator

Details Hydrocarbon flow rate regulator Hydrocarbon flow rate regulator

1985-10-31

1987-10-20

Phillips, Charles E.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

123518, E15D 102

Patent

active

047007508

ABSTRACT:
A hydrocarbon vapor recovery storage system including a charcoal canister for storing hydrocarbon vapor and a control valve for establishing the rate of flow of the vapor into the intake manifold of an engine. The system further includes a regulator (30) comprising an inlet passage (52,54) for receiving the vapor from the canister and an outlet passage for communicating the vapor to the control valve (22). The regulator further includes a device for regulating the maximum flow rate of the vapor comprising a piston (120) movable relative to a control orifice (64) to regulate the flow therethrough. The piston (120) is movable by a material, such as a silicon rubber compound that is capable of changing its physical size in accordance with the concentration of hydrocarbons in the vapor communicated thereto.

REFERENCES:
patent: 1098275 (1914-05-01), Leuthesser
patent: 2319498 (1943-05-01), Gerard
patent: 2817350 (1957-12-01), Bradner et al.
patent: 2823694 (1958-02-01), Champion
patent: 2830621 (1958-04-01), Prescott
patent: 4173207 (1979-11-01), Hiramatsu
patent: 4175527 (1979-11-01), Sanada et al.

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