G - Physics – 01 – L
Patent
G - Physics
01
L
103/32
G01L 7/08 (2006.01) F04B 43/02 (2006.01) F04B 49/10 (2006.01)
Patent
CA 1271666
- 1 - Abstract: The present invention relates to a pressure sensor in a diaphragm pump provided for operating the pump in order to maintain the desired pressure. The pressure sensor is located adjacently first outlet passage and is provided with a deflector which deflects the fluid in the outlet passage over the surface of the sensor diaphragm. By providing continuous flow over the face of the sensor diaphragm, paint and similar substances are prevented from drying and/or clogging thereby preventing erratic operation or failure of the device. The connecting rod which is attached to the diaphragm has an outwardly extending and downwardly tapering support surface which supports the diaphragm when under the elevated pressures of which this unit is capable of operation. An upper support member is also provided for further support.
537417
Graco Inc.
Kirby Eades Gale Baker
Krohn Duane D.
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