WILLIAM R CLARK
Broker in East Pepperell, MA
License number
Massachusetts 100640
Issued Date
Jun 19, 1987
Expiration Date
Mar 4, 2000
Type
Salesperson
Address
Address
East Pepperell, MA 01463
Professional information
Manifold For Valve Assembly
US Patent:
6523570, Feb 25, 2003
Filed:
Mar 7, 2001
Appl. No.:
09/800558
Inventors:
Andreas A. Weiss - Nashua NH
David P. Cross - Atkinson NH
William R. Clark - Pepperell MA
Paul D. Mercier - North Walpole NH
David P. Cross - Atkinson NH
William R. Clark - Pepperell MA
Paul D. Mercier - North Walpole NH
Assignee:
Parker-Hannifin Corp. - Cleveland OH
International Classification:
F16K 11044
US Classification:
1376275, 137884
Abstract:
A valve assembly includes a valve with a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, and defines all of the valves inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. The valve may be connected to a manifold by press-fitting port nipples of the valve into corresponding channels in the manifold. The manifold is formed of a resilient, elastomeric material, and the port nipples include radial projecting barbs, which enable the valve to be fluidly-connected to the manifold without additional O-ring seals or other mechanical sealing devices. Fittings with barbs can likewise be press-fit in other channels of the manifold to connect the valve assembly with fluid lines or other components in the fluid system. The fittings can also be provided unitary with the manifold, and/or adhesively attached to the manifold and/or to the fluid lines and other components.
Magnetic Repulsion Actuator And Method
US Patent:
2007006, Mar 29, 2007
Filed:
Apr 24, 2006
Appl. No.:
11/379865
Inventors:
Andrew Brenner - Pembroke NH, US
William Clark - Pepperell MA, US
Jason Doughty - Fitchburg MA, US
William Clark - Pepperell MA, US
Jason Doughty - Fitchburg MA, US
Assignee:
Parker-Hannifin Corporation - Cleveland OH
International Classification:
F16K 31/02
US Classification:
251129150, 251368000
Abstract:
A solenoid valve and method of making the same wherein a magnetic valve plunger is doped with a magnetic material and fully saturated, whereby the amount or manner of doping determines the magnetic strength of the valve plunger. In an exemplary embodiment, the valve plunger is made of a nylon doped with an amount of a rare earth metal such that the valve plunger has a desired magnetism when the magnetic dopant is magnetically saturated. The plastic valve plunger, though having magnetic characteristics, can retain desirable characteristics of the plastic material such as a low coefficient of friction and good resistance to harsh chemicals.