Double piston cycle engine

Details Double piston cycle engine Double piston cycle engine

2008-06-10

2008-06-10

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Multiple piston, common nonrestrictive combustion chamber

Four-cycle

C123S0710VA

Reexamination Certificate

active

07383797

ABSTRACT:
A Dual Piston Cycle Engine utilizes a unique dual piston apparatus that includes: a first cylinder housing a first piston therein; a second cylinder thermally isolated from the first cylinder and housing a second piston therein; an intake valve coupled to the first cylinder for allowing a fuel mixture to enter into the first cylinder; an exhaust valve coupled to the second cylinder for allowing an exhaust gas to exit the second cylinder; and an interstage valve that couples an internal chamber of the first cylinder to an internal chamber of the second cylinder and configured to minimize dead space between the first and second cylinders, wherein the first piston performs only intake and compression strokes and the second piston performs only combustion and exhaust strokes and the first and second cylinders are thermally isolated from one another.

REFERENCES:
patent: 982850 (1911-01-01), Noyes
patent: 1139713 (1915-05-01), Osterman
patent: 1369511 (1921-02-01), Wiesner
patent: 1372216 (1921-03-01), Casaday
patent: 1633921 (1927-06-01), Burtnett
patent: 2169807 (1939-08-01), Lyon
patent: 3069915 (1962-12-01), Sawle, Jr.
patent: 3143282 (1964-08-01), King et al.
patent: 3623463 (1971-11-01), De Vries
patent: 3805752 (1974-04-01), Cataido
patent: 3808818 (1974-05-01), Cataido
patent: 3880126 (1975-04-01), Thurston et al.
patent: 3959974 (1976-06-01), Thomas
patent: 3991721 (1976-11-01), Hurd
patent: 4040400 (1977-08-01), Kiener
patent: 4157080 (1979-06-01), Hill
patent: 4159700 (1979-07-01), McCrum
patent: 4202300 (1980-05-01), Skay
patent: 4359017 (1982-11-01), May
patent: 4565167 (1986-01-01), Bryant
patent: 4635590 (1987-01-01), Gerace
patent: 4787343 (1988-11-01), Tuckey
patent: 5072589 (1991-12-01), Schmitz
patent: 5265564 (1993-11-01), Dullaway
patent: 5431130 (1995-07-01), Brackett
patent: 5546897 (1996-08-01), Brackett
patent: 5623894 (1997-04-01), Clarke
patent: 5857436 (1999-01-01), Chen
patent: 6095100 (2000-08-01), Hughes
patent: 6318310 (2001-11-01), Clarke
patent: 6340004 (2002-01-01), Patton
patent: 6543225 (2003-04-01), Scuderi
patent: 6553977 (2003-04-01), Schmitz
patent: 6722127 (2004-04-01), Scuderi et al.
patent: 6789514 (2004-09-01), Suh et al.
patent: 6796127 (2004-09-01), Helm
patent: 6880501 (2005-04-01), Suh et al.
patent: 6918358 (2005-07-01), Hu
patent: 2003/0014971 (2003-01-01), Scuderi
patent: 2003/0015171 (2003-01-01), Scuderi
patent: 2003/0192489 (2003-10-01), Singh
patent: 2004/0016234 (2004-01-01), Chomiak
patent: 2005/0076863 (2005-04-01), Baba et al.
patent: 2005/0199191 (2005-09-01), Loth et al.
International Search Report for PCT/US06/14426, mailed on Sep. 25, 2007, 1 page.
Written Opinion of the International Searching Authority for PCT/US06/14426, mailed on Sep. 25, 2007, 5 pages.

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