US4442673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination cycle, dual process engine
Assignee: Individual
•
Filing: 1982-08-09
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Granted: 1984-04-17
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Expires: 2002-08-09
Abstract
Abstract An engine including at least one set of three cylinders. Two of the cylinders function as internal combustion cylinders and the remaining cylinder functions as an air compressor. The air is injected into the exhaust manifold of the combustion cylinders. The combustion products are fed to a steam generator, the steam being utilized to produce work in a steam engine or turbine. The supply water for the steam generator is in heat exchange relationship with the engine cooling liquid. The compressor intake air is in heat exchange relationship with the engine lubricating liquid.
Inventors
- 👤 Floy Haworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:13
CPC Classifications
F; F01; F01K; F01K23/00; F01K23/12; F01K23/14; F02; F02B; F02B41/00; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B47/00; F02B47/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
281 words
Apparatus for providing mechanical power from normally wasted engine heat comprising: at least one set of three adjacent in-line cylinders, two of said cylinders being engine cylinders and one of said cylinders being a compressor cylinder, a carburetor for supplying fuel to the engine cylinders, and means for igniting said fuel, said engine cylinders operating on a four-stroke cycle, means for supplying air to the compressor cylinder, said engine cylinders including a liquid cooling system, a lubricating system and an exhaust manifold, a steam generator connected to said exhaust manifold, means for supplying a liquid to said steam generator, said liquid being vaporized through heat exchange with the engine exhaust gases, the outlet of the compressor cylinder being connected to the exhaust manifold upstream of the steam generator, one of said engine cylinders firing each 360 degrees of crankshaft rotation and each compression stroke coinciding with every exhaust stroke of said engine cylinders in order to combust inburned fuel in the exhaust manifold, said lubricating system including a high pressure pump, a scavenging pump and an oil cooler, said oil cooler being located in heat exchange relationship with the means for supplying air to the compressor, said scavenging pump moving oil from the engine crankcase through said oil cooler, the means for supplying air to the compressor including an engine vavle cover having surface fins thereon, said engine liquid cooling system including a pump and two heat exchangers in series and in heat exchange relationship with the means for supplying liquid to said steam generator, a radiator and a coolant temperature controlled electric fan for regulating the temperature of the engine coolant, and a steam engine connected to said steam generator.
Claim 2
Dependent Claim
281 words
Apparatus for providing mechanical power from normally wasted engine heat comprising: at least one set of three adjacent in-line cylinders, two of said cylinders being engine cylinders and one of said cylinders being a compressor cylinder, a carburetor for supplying fuel to the engine cylinders, and means for igniting said fuel, said engine cylinders operating on a four-stroke cycle, means for supplying air to the compressor cylinder, said engine cylinders including a liquid cooling system, a lubricating system and an exhaust manifold, a steam generator connected to said exhaust manifold, means for supplying a liquid to said steam generator, said liquid being vaporized through heat exchange with the engine exhaust gases, the outlet of the compressor cylinder being connected to the exhaust manifold upstream of the steam generator, one of said engine cylinders firing each 360 degrees of crankshaft rotation and each compression stroke coinciding with every exhaust stroke of said engine cylinders in order to combust inburned fuel in the exhaust manifold, said lubricating system including a high pressure pump, a scavenging pump and an oil cooler, said oil cooler being located in heat exchange relationship with the means for supplying air to the compressor, said scavenging pump moving oil from the engine crankcase through said oil cooler, the means for supplying air to the compressor including an engine vavle cover having surface fins thereon, said engine liquid cooling system including a pump and two heat exchangers in series and in heat exchange relationship with the means for supplying liquid to said steam generator, a radiator and a coolant temperature controlled electric fan for regulating the temperature of the engine coolant, and a steam engine connected to said steam generator.
Claim 3
Dependent Claim
311 words
Apparatus for providing mechanical power from normally wasted engine heat comprising: at least one set of three adjacent in-line cylinders, two of said cylinder being engine cylinders and one of said cylinders being a compressor cylinder, a carburetor for supplying fuel to the engine cylinders, and means for igniting said fuel, said engine cylinders operating on a four-stroke cycle, means for supplying air to the compressor cylinder, said engine cylinders including a liquid cooling system, a lubricating system and an exhaust manifold, a steam generator connected to said exhaust manifold, means for supplying a liquid to said steam generator, said liquid being vaporized through heat exchange with the engine exhaust gases, the outlet of the compressor cylinder being connected to the exhaust manifold upstream of the steam generator, one of said engine cylinders firing each 360 degrees of crankshaft rotation and each compression stroke coinciding with every exhaust stroke of said engine cylinders in order to combust unburned fuel in the exhaust manifold, said lubricating system including a high pressure pump, a scavenging pump and an oil cooler, said oil cooler being located in heat exchange relationship with the means for supplying air to the compressor, said scavenging pump moving oil from the engine crankcase through said oil cooler, the means for supplying air to the compressor including an engine valve cover having surface fins thereon, said engine liquid cooling system including a pump and two heat exchangers in series and in heat exchange relationship with the means for supplying liquid to said steam generator, an engine coolant temperature controlled valve located in the means for supplying a liquid to said steam generator and between said two heat exchangers, a conduit connected to said valve for bypassing liquid around one of said heat exchangers for regulating the temperature of the engine coolant, and a steam engine connected to said steam generator.
Claim 4
Dependent Claim
311 words
Apparatus for providing mechanical power from normally wasted engine heat comprising: at least one set of three adjacent in-line cylinders, two of said cylinder being engine cylinders and one of said cylinders being a compressor cylinder, a carburetor for supplying fuel to the engine cylinders, and means for igniting said fuel, said engine cylinders operating on a four-stroke cycle, means for supplying air to the compressor cylinder, said engine cylinders including a liquid cooling system, a lubricating system and an exhaust manifold, a steam generator connected to said exhaust manifold, means for supplying a liquid to said steam generator, said liquid being vaporized through heat exchange with the engine exhaust gases, the outlet of the compressor cylinder being connected to the exhaust manifold upstream of the steam generator, one of said engine cylinders firing each 360 degrees of crankshaft rotation and each compression stroke coinciding with every exhaust stroke of said engine cylinders in order to combust unburned fuel in the exhaust manifold, said lubricating system including a high pressure pump, a scavenging pump and an oil cooler, said oil cooler being located in heat exchange relationship with the means for supplying air to the compressor, said scavenging pump moving oil from the engine crankcase through said oil cooler, the means for supplying air to the compressor including an engine valve cover having surface fins thereon, said engine liquid cooling system including a pump and two heat exchangers in series and in heat exchange relationship with the means for supplying liquid to said steam generator, an engine coolant temperature controlled valve located in the means for supplying a liquid to said steam generator and between said two heat exchangers, a conduit connected to said valve for bypassing liquid around one of said heat exchangers for regulating the temperature of the engine coolant, and a steam engine connected to said steam generator.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-17 | 1987-10-17 | 1988-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-17 | 1991-10-17 | 1992-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-17 | 1995-10-17 | 1996-04-17 | $7700.00 | Window Closed / Lapsed |