Internal-combustion engines – Charge forming device – Gaseous fuel and air mixer
Patent
1993-05-28
1995-06-13
Miller, Carl S.
Internal-combustion engines
Charge forming device
Gaseous fuel and air mixer
123456, 123541, F02B 4300
Patent
active
054233038
ABSTRACT:
A fuel rail for supplying liquified petroleum gas ("LPG") to an internal combustion engine. Fuel supply channel and fuel return channel are aligned generally parallel to one another within fuel rail. LPG flowing through return channel cools LPG flowing through supply channel by vaporization of return fuel. Vaporization is caused by lower pressure in return channel relative to supply channel. Cooling of supply fuel aids in maintaining LPG injected into the engine in a fully liquid state. This results in increased power output, lower toxic emissions, and a reduction in knocking.
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patent: 5076242 (1991-12-01), Parker
patent: 5076244 (1991-12-01), Donaldson
patent: 5156134 (1992-10-01), Tochizawa
patent: 5197436 (1993-03-01), Ozawa
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