Method and apparatus for maintaining reservoir pressure of a con

Details Method and apparatus for maintaining reservoir pressure of a con Method and apparatus for maintaining reservoir pressure of a con

1994-12-06

1995-09-05

Yuen, Henry C.

Internal-combustion engines

Charge forming device

Gaseous fuel and air mixer

123 27GE, 138 30, 138 31, 220530, 220564, F02M 2104

Patent

active

054471427

ABSTRACT:
A method for maintaining the pressure of a compressible fuel resident in a reservoir above a predetermined minimum including withdrawing compressed air from an internal combustion engine's combustion chamber, further compressing that withdrawn air, transmitting that further compressed air to an expandable air compartment which, with a fuel compartment having an outlet, occupies the interior of a reservoir. Apparatus for maintaining the pressure of a compressible fuel above a predetermined minimum including a reservoir having an air compartment and a fuel compartment separated by a moveable barrier, an internal combustion engine having a combustion chamber, means for transmitting air from the combustion chamber to the air compartment, a compressor for compressing the transmitted air, and a valve for obstructing air transmission when the fuel compartment's pressure exceeds a predetermined maximum.

REFERENCES:
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patent: 5388720 (1995-02-01), Murphy
SAE Technical Paper 861169 A Neat Methanol Direct Injection Combustion System for Heavy Duty Applications, by Craig A, Kroeger, Sep. 8-11 '86.

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