Internal-combustion engines – Rotating cylinder – Radial
Reexamination Certificate
2005-05-24
2005-05-24
Trieu, Thai-Ba (Department: 3748)
Internal-combustion engines
Rotating cylinder
Radial
C123S04400R, C123S04400R, C475S014000
Reexamination Certificate
active
06895906
ABSTRACT:
A rotary two-stroke engine including a multi-cylinder block rotatably mounted on two main bearings within an engine housing, a crankshaft journalled for rotation within said main bearings, indirectly geared at a ratio of 2:1 to said cylinder block and piston members connected to said crankshaft which induce gas through ports in said cylinders via side entry tracts in said engine housing, being sealed by rotating seal rings.
REFERENCES:
patent: 2242231 (1941-05-01), Cantoni
patent: 2273900 (1942-02-01), Sklenar
patent: 2683422 (1954-07-01), Richards, Jr.
patent: 3200797 (1965-08-01), Dillenberg
patent: 3517651 (1970-06-01), Graybill
patent: 4010719 (1977-03-01), Lappa
patent: 4038949 (1977-08-01), Farris
patent: 4062330 (1977-12-01), Billings
patent: 4136646 (1979-01-01), Lappa
patent: 5221237 (1993-06-01), Weber
patent: 5365892 (1994-11-01), Kienle
patent: 5720241 (1998-02-01), Gail
patent: WO 8703042 (1987-05-01), None
patent: WO 9811343 (1993-06-01), None
King & Schickli PLLC
Trieu Thai-Ba
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