F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
230/98
F04C 18/08 (2006.01) F04C 2/08 (2006.01) F04C 18/20 (2006.01)
Patent
CA 1086277
T I T L E A PAIR OF ROTORS FOR A ROTARY PISTON PUMP ABSTRACT OF THE DISCLOSURE A pair of rotors for a rotary piston pump or blower is disclosed. The rotor flanks comprise an involute section for cooperation with a similar section on the other rotor. Inside the involute section the flank comprises a circular arc portion. Outside the involute section the flank comprises a substantially linear part giving reduced flow losses at high rotational speeds without the creation of a blow-hole between the outlet and the inlet of the machine.
288952
Atlas Copco Aktiebolag
Fetherstonhaugh & Co.
LandOfFree
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