F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
103/89
F04C 2/00 (2006.01) F01C 1/04 (2006.01) F01C 1/34 (2006.01) F01C 1/344 (2006.01) F01C 19/08 (2006.01) F04C 2/02 (2006.01) F04C 15/00 (2006.01) F04C 29/00 (2006.01) F04D 29/00 (2006.01)
Patent
CA 1071024
Abstract of the Disclosure In a rotary sliding vane pump having a non- circular cam ring which expands and contracts radially, a cheek plate is clamped against the end face of the cam ring and lies in rubbing contact with the rotor and vanes. The cheek plate has a wearing face of low friction material such as bronze. Unwanted wear between the cheek plate and the cam ring due to its expansion/contraction movements is reduced by the provision of one or more areas of hard metal adjacent the cam ring. - i -
279558
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