Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1970-09-23
1977-05-24
Croyle, Carlton R.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60 396, 60 3965, 60 3981, 60 3982P, F02g 102
Patent
active
040247023
ABSTRACT:
This invention comprises improvements in combustion products pressure generators of the continuous burner type or expansion chamber type and reciprocating piston engine or turbines which uses the combustion products the expansion chamber produces for power and to drive the air compressor, which supplies combustion air to the expansion chamber.
The intent is to produce a multi-fuel propulsion unit suitable for vehicles, boats and ships, locomotives, etc;, where the load varies widely and rapidly.
These power units are very economical on fuel and virtually emission free. They will burn most any free flowing liquid fuel, are instant starting, and burn no fuel when idle.
The system compresses air with a reciprocating piston compressor controlled by variable volume means and or unloaders. This compressed air goes through an exhaust heated preheater to 800 degrees F, then to the combustion chambers where it is heated to 1600 degrees F by one or more burners at the volume required. Part of the compressed air goes to storage receivers which maintains a constant pressure on the combustion chamber. The combustion chamber has a circulating fan inside the combustion chamber driven by an outside power which circulates part of the air inside the combustion chamber through the burners for combustion air and the balance of the fan output goes through a jacket around the burners for cooling and into the hot gases from the burners to dilute the hot gases to workable temperatures. The fan also recirculates the air within the combustion chamber through the burners to burn up any gases that did not burn first pass. This circulating fan should have the volume capacity of two or more times the volume of gases passing through the combustion chamber so as to recirculate the gas through the burners to get a clean burn and make less air pollution.
The air compressor cylinders are a part of or connected to the power engine or turbine and only turns when the engine turns. As most of my engines are designed to drive direct through gears without clutch or transmission, the engine only turns when the vehicle moves, so when the vehicle stops and the engine is on standby, everything stops except the pilot light. There is a check valve between the compressor and combustion chamber, receivers, and a throttle valve between the combustion chamber and the engine or turbine. When the throttle is opened, the engine is driven by stored pressure in the combustion chamber, supplied with combustion air from the receivers. When the engine reaches, for example 100 RPM, the unloader trips, starting the compressor pistons, and compressing air to 600 PSI to supply combustion air and replenish air used from the receivers. Combustion air is preheated by exhaust from the engine to approximately 800 degrees F after compression. A volume metering valve on the combustion air to the combustion chamber lights one or more burners to heat the volume of air required by the engine throttle valve.
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Croyle Carlton R.
Garrett Robert E.
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