4-stroke reciprocating piston engine having supercharging...

Details 4-stroke reciprocating piston engine having supercharging... 4-stroke reciprocating piston engine having supercharging...

2005-03-29

2005-03-29

Nguyen, Hoang (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C123S559100, C123S053600

Reexamination Certificate

active

06871497

ABSTRACT:
The invention provides a 4-stroke reciprocating piston engine having a supercharging piston, which ensures dynamic balance of the engine with only a simple construction and achieves high output. The 4-stroke reciprocating piston engine having a supercharging piston includes: two pairs of bidirectional reciprocating power pistons mounted at both ends of the crankshaft having three crank pins in series at the same phase; a pair of bidirectional reciprocating supercharging pistons mounted at the middle crank pin at a phase different by 180° with respect to the two pairs of bidirectional reciprocating power pistons; a cylinder head on which an air intake opening portion for the bidirectional reciprocating supercharging piston cylinder, a pressurized air intake opening portion from the bidirectional reciprocating supercharging piston cylinder, a pressurized air intake opening portion into the respective bidirectional power piston cylinders, and an exhaust opening portion from the respective bidirectional reciprocating piston cylinders are formed.

REFERENCES:
patent: 3570459 (1971-03-01), Combs
patent: 4211082 (1980-07-01), Bristol
patent: 4663938 (1987-05-01), Colgate
patent: 5179921 (1993-01-01), Figliuzzi
patent: 5873339 (1999-02-01), Isogai
patent: 3137283 (2001-02-01), None

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