Rotary expansible chamber devices – Miscellaneous
Patent
1989-01-27
1990-07-24
Vrablik, John J.
Rotary expansible chamber devices
Miscellaneous
13751215, F04C 2908
Patent
active
049432176
ABSTRACT:
A delivery valve having a cylindrical sleeve in which are provided valve slots that extend in a circumferential direction and in front of which are disposed cylindrically bent valve reeds. The sleeve can be placed in axis-parallel bores in the housing of a rotary piston compressor for gaseous medium. Provided in the sleeve and in the walls of the housing bore are pockets to allow gaseous medium to flow about the valve reeds when they are in an opening position.
REFERENCES:
patent: 4668172 (1987-05-01), Shibuya
patent: 4700740 (1987-10-01), Mitsumoto et al.
patent: 4764099 (1988-08-01), Nakajima
Cavanaugh David L.
Vrablik John J.
Wankel GmbH
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