Monoblock internal combustion engine with air compressor compone

Details Monoblock internal combustion engine with air compressor compone Monoblock internal combustion engine with air compressor compone

1993-11-02

1995-03-28

Kamen, Noah P.

Internal-combustion engines

Vibration compensating device

Balancing arrangement

417237, 417364, F02B 7506

Patent

active

054007518

ABSTRACT:
Monoblock engine/air compressor combinations, particularly those providing high pressure gas, experience problems in lubricating the piston pins connecting the compressor piston assemblies to the engine connecting rods. To alleviate this problem, additional weight is added to the compressor piston assemblies to force a load reversal at a determinable point in the piston cycle just after top dead center, thereby facilitating lubrication of the piston pins. An equation is disclosed for calculating the weight of the compressor piston as a function of the compressor gas pressure, geometry of the rotating components and engine speed. In another aspect of the invention, weight is added to the engine flywheel to balance an unbalanced compressor piston after the additional weight has been added. In another feature of the invention, a fluid system is provided in a natural gas powered engine in the monoblock combination, which system is designed to purge a volatile residual natural gas/air mixture collecting in the engine crankshaft through piston blow-by. A final feature concerns a supercharger system for providing supercharged air to the engine air intake manifold, which incorporates a plenum surrounding the fan and heat exchanger element of the engine cooling system.

REFERENCES:
patent: 1690080 (1928-10-01), Seng et al.

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