Motors: expansible chamber type – With motive fluid valve – Controlled by rate of movement of working member
Reexamination Certificate
2005-04-05
2005-04-05
Look, Edward K. (Department: 3745)
Motors: expansible chamber type
With motive fluid valve
Controlled by rate of movement of working member
Reexamination Certificate
active
06874404
ABSTRACT:
A controller for controlling the flow rate of compressed air to a spray paint gun as well as to a comparable tool which is optimally operative dependant upon receiving a specified flow rate of air includes a flow control valve which regulates the air flow rate therethrough based on a pressure differential signal received from an air flow meter. The pressure differential signal transmitted to the air flow controller is balanced against an opposing spring biased needle in the flow controller.
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“Weight of Spray Gun” [subheading in excerpt from untitled article], by Ron Joseph,metal Finishing, Jan. 1998, pp. 65, 66, and [unnumbered third page].
“How to Get the Most from HVLP Guns by Understanding Air Pressure and Volume,” by Ron Joseph,Metal Finishing, Aug. 1998, pp. 20, 22 and 24.
Autoquip, Inc.
Boyle Fredrickson Newholm Stein & Gratz S.C.
Kershteyn Igor
Look Edward K.
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