Valve

Details Valve Valve

2006-11-28

2006-11-28

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Valve means reverses flow from pump to reversible rotary motor

C091S448000, C137S625240

Reexamination Certificate

active

07140179

ABSTRACT:
An apparatus comprises a valve body having a cylindrical bore centered on an axis. A cylindrical core extends axially within the bore and is fixed relative to the valve body. A sleeve within the bore extends circumferentially about the core and is rotatable about the axis relative to the core. A passage extends radially through the sleeve and provides a radial flow path from the core through the passage to the valve body. Alignment of the passage is circumferentially selectable by rotation of the passage with the sleeve about the axis.

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Printout from Cooper Tools web site at www.coopertools.com, one page entitled “Impact Wrenches”, showing Master Power model MP2270 impact wrench, copyright 2003.
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Printout from Campbell Hausfeld web site at www.chpower.com, one page entitled “Campbell Hausfeld—Built to Last—Catalog” and subtitled “3/8” Butterfly Impact Wrench Model: MP101700AV; undated.
Printout from Jack-X-Change web page at http://www.jackxchange.com/products/IR216.cfm, showing Ingersoll Rand Model IR216 impact wrench; copyright 2004.

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