Title:
VALVE SEAL FOR ROTARY VALVE ENGINE
Document Type and Number:
WIPO Patent Application WO2004040177
Kind Code:
A3
Abstract:
A valve seal for a rotary valve assembly for use in an internal combustion engine of the piston and cylinder type, the valve seal having a valve body member having a curved annular upper surface conforming to the spherical periphery of a spherical rotary valve, the valve seal having a centrally disposed aperture therethrough defined by an inner circular side wall, the valve body member having an annular receiving groove formed on its curved upper surface for receipt of a lubricating insert ring, the valve body member further having an outer circumferential side wall having a plurality of mounting ribs for the positioning of lateral sealing rings, the valve body member further having a plurality of radial throughbores formed between the inner circular side wall and the outer circumferential side wall, the throughbores being in the same plane as one of the sealing rings.
Inventors:
COATES GEORGE J (US)
Application Number:
PCT/US2003/033996
Publication Date:
September 02, 2004
Filing Date:
October 24, 2003
Export Citation:
Assignee:
COATES GEORGE J (US)
International Classes:
F01L7/00; F01L7/02; F01L7/16; (IPC1-7): F01L7/00
Foreign References:
| US4953527A | 1990-09-04 | |||
| US4989576A | 1991-02-05 | |||
| US4976232A | 1990-12-11 |
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