Rotary expansible chamber devices – With mechanical sealing – Seal on cylinder engaging rotary member separates inlet and...
Patent
1980-10-28
1982-06-22
Smith, Leonard E.
Rotary expansible chamber devices
With mechanical sealing
Seal on cylinder engaging rotary member separates inlet and...
F04C 1500
Patent
active
043360050
ABSTRACT:
The disclosure relates to improvements in pumps and motors of the gear type. The gear elements are arranged 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 sealing 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.
REFERENCES:
patent: 1118533 (1913-07-01), Crocker
patent: 1783209 (1930-12-01), Wilsey
patent: 1897560 (1933-02-01), Lawser
patent: 2622534 (1952-12-01), Johnson
patent: 2639694 (1953-05-01), Johnson
patent: 2742862 (1956-04-01), Banker
patent: 2855854 (1954-02-01), Aspelin
patent: 2996999 (1961-08-01), Trautman
patent: 3315609 (1967-04-01), Eckerle
patent: 3427985 (1969-02-01), Difford
patent: 3429270 (1969-02-01), Noell et al.
patent: 3437048 (1969-04-01), Noell et al.
patent: 3472170 (1969-10-01), Eckerle
patent: 3498232 (1970-03-01), Noell et al.
patent: 3915604 (1975-10-01), Kitta et al.
patent: 3986800 (1976-10-01), Dworak et al.
New 4000 psi "60 Decibel" Hydraulic Pump / Eckerle-Miller Fluid Power.
Eley James M.
McBurnett James R.
Lindrooth Charles H.
Smith Leonard E.
Tyrone Hydraulics Inc.
LandOfFree
Gear pumps and motors does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Gear pumps and motors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gear pumps and motors will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-650764