Internal-combustion engines – Charge forming device – Cooling of combustible mixture
Patent
1984-10-09
1986-02-25
Lazarus, Ronald H.
Internal-combustion engines
Charge forming device
Cooling of combustible mixture
123 1A, 123198A, F02B 7510, F02M 3120
Patent
active
045721408
ABSTRACT:
A device used with a fuel charging system in which nitrous oxide is injected into the engine to provide a sudden burst of power to the vehicle. A pressurized cylinder of liquid nitrous oxide is connected to the engine through a delivery conduit and a solenoid valve. A jacket preferably formed of a silicone hose is placed about a portion of the delivery conduit forming a cooling chamber about the conduit. A manifold closes one end of the cooling chamber and an orifice block closes the other end. First and second solenoid valves are connected to the manifold. The first valve purges gaseous nitrous oxide from the delivery conduit and injects it into the cooling chamber where the expanding gas lowers the temperature of the nitrous oxide in the conduit to maintain it in a liquid state prior to being injected into the vehicle engine upon actuation of the second solenoid valve. Heretofore, the gaseous nitrous oxide in the delivery conduit was vented to the atmosphere instead of being returned to the cooling chamber to assist in maintaining the incoming nitrous oxide in a liquid state.
REFERENCES:
patent: 2715395 (1955-08-01), Finvold
patent: 3593694 (1971-07-01), Hilborn
patent: 3602202 (1971-08-01), Kobayashi
patent: 4308827 (1982-01-01), Roe
patent: 4494488 (1985-01-01), Wheatley
patent: 4503832 (1985-03-01), Petley
Advertising Brochure entitled "Nitrouscharging by Ice".
Lazarus Ronald H.
Ram Automotive Company
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