Patent
Converting an internal combustion engine to a single acting engine driven by steam or compressed air
TLDR
In this article, the authors converted a conventional four-cycle internal combustion engine into a single acting reversible steam, or fluid pressure operated engine by changing the timing cycle of the valves relative to the crankshaft and connecting the valve ports to a reversing valve for admitting live steam to the intake ports while connecting the exhaust ports to the atmosphere, and for reversing the connection selectively.Abstract:
The method converts a conventional four cycle internal combustion engine into a single acting reversible steam, or fluid pressure, operated engine by changing the timing cycle of the valves relative to the crankshaft and connecting the valve ports to a reversing valve for admitting live steam to the intake ports while connecting the exhaust ports to the atmosphere, and for reversing the connection, selectively.read more
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Patent
Engine using compressed air.
TL;DR: In this paper, an engine (32) driven by compressed air, including an electric motor (36), driven by a battery (B), means (38) for generating the compressed air by use of a drive power of the electric motor, an intake manifold (40) connected with an outlet of the means, a cylinder block (32), including a plurality of cylinders communicating with the intake manifold, a crank shaft connected to a piston in the cylinder by a connecting rod, and a cam shaft connected with the crank shaft by means of the belt or chain.
Patent
Two stroke engine conversion
TL;DR: In this article, a method for converting a conventional four-stroke internal combustion engine having four cylinders into a two-stroke engine is presented, which includes two pairs of pistons, each pair having a first and second piston which are fired synchronously.
Patent
Compressed air generating system
TL;DR: In this article, a compressed air power plant with a piston disposed within a cylinder and connected to a drive shaft is described, where the piston is operated through a power stroke and an exhaust stroke upon each rotation of the drive shaft and the power plant includes compressed air means for supplying compressed air at high pressure and at a second pressure lower than the high pressure.
Patent
Apparatus to convert a four-stroke internal combustion engine to a two-stroke pneumatically powered engine
TL;DR: In this paper, an apparatus to convert a four-stroke internal combustion engine to a two-stroke pneumatically powered engine is described. But the work is limited to the case where the cylinders are at the top dead center of the engine.
Patent
Engine having external combustion chamber
TL;DR: In this paper, an engine (500) having positive displacement chambers containing pistons and an external combustion chamber (400) which utilizes the energy stored in compressed fuel and compressed air in combination with the energy released during combustion of the fuel to drive the pistons are recovered.
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Patent
Compressed air engine
TL;DR: In this paper, a compressed air engine has an auxiliary air compressor for building up to a minimum a predetermined air pressure in the compressed air supply tank which feeds air through an engine RPM control valve for the engine pistons.
Patent
Air drive adaptor
TL;DR: In this paper, an apparatus for adapting an internal combustion engine for operation on compressed air is described, which includes a source of compressed air, valving means for introducing the correct amount of air into the cylinders and valve actuation means to cause timed opening of the valve for introducing compressed air to the appropriate cylinders at the correct time.
Patent
Low pollution reciprocating heat engine
TL;DR: In this article, a heat engine is described in which operates on the basis of the Carnot cycle and includes the usual cylinders, pistons and crankshaft, however, the cylinders of the engine are arranged in pairs with each pair including a large cylinder and a small cylinder.
Patent
Pressurized gas operated engine
TL;DR: In this paper, a high pressure gas distribution apparatus is connected with an engine cylinder to drive a piston therein, and a rotor rotatable in the body to control metering of gas from said inlet to said outlet port, having a connection to be driven by the engine in timed relation to motion of the piston.