F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
103/79
F04C 2/08 (2006.01) F04C 15/00 (2006.01)
Patent
CA 1166076
ABSTRACT The disclosure relates to improvements in pumps and motors of the gear type. The gear elements are ar- ranged within the pump or motor housing so that the ends or the tips of the teeth are spaced out of fluid sealing relationship and not pressed into the surrounding chamber wall on the low pressure side of the housing. Rigid seal- ing members of limited circumferential extent having a curved sealing surface and planar support and side wall surfaces are seated in a recess in the housing at the high pressure side of the gears for the purpose of providing a fluid seal between the tips of the teeth in a limited region adjacent the opening in the housing which is at higher pressure. The sealing members are positioned in a recess in the housing and are configured to be resistant to bending and movement. The sole support for the shoes is provided by planar surfaces on the side pressure plates.
388943
Eley James M.
Mcburnett James R.
Smart & Biggar
Tyrone Hydraulics Inc.
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