F - Mech Eng,Light,Heat,Weapons – 01 – C
Patent
F - Mech Eng,Light,Heat,Weapons
01
C
230/138
F01C 21/10 (2006.01) F04C 19/00 (2006.01) F04C 29/08 (1985.01)
Patent
CA 1273327
ABSTRACT A water ring vacuum pump having a body (10), end members (11, 12) on the body and an impeller (20). An impeller shaft (21) extends through the end members and is journalled for rotation therein. An inlet (33) is formed in one end member and an outlet (33) in the other end member. A port plate (30) is located adjacent each end member and the blades of the impeller so that a manifold (32) is formed between each port plate and its adjacent end member. Each port plate (30) is moveable relative to its adjacent end member (11, 12) by screws or the like (40) passing through the end members. The screws (40) abut the face of the port plate (30) and can act to cause its location against the impeller (20). Locking means (39) pass through the end members (11, 12) and into threads (38) in the port plate (30) whereby the port plate can be moved away from the impeller (20). The locking means, when the impeller is correctly positioned, act against the screws or the like (40) thus serving to lock the port plate (30) in position.
481524
Grayden Paul A.
Prescant Pty Limited
Riches Mckenzie & Herbert Llp
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