Harry Nesbitt resumes & CV records
Resumes
Harry Nesbitt
Harry Nesbitt
Harry C Nesbitt, 65321 El Dorado St, Vallejo, CA 94590
Harry Nesbitt Phones & Addresses
208 E 2Nd St, Benicia, CA 94510 707-3343350
Vallejo, CA
Norman, OK
Moorpark, CA
Rodeo, CA
Mentions for Harry C Nesbitt
Publications & IP owners
Us Patents
Pneumatic Valve With Lockout
US Patent:
7509972, Mar 31, 2009
Filed:
Jul 7, 2005
Appl. No.:
11/175152
Inventors:
Harry Clayton Nesbitt - Benicia CA, US
Assignee:
Parker-Hannifin Corporation - Cleveland OH
International Classification:
F16K 35/10
F16K 35/02
F16K 35/02
US Classification:
137383, 251 14, 251 12, 251 635
Abstract:
A pneumatic valve with lockout for controlling the flow of a fluid includes a housing, a fluid flow passage extending through the housing between a fluid inlet and a fluid outlet, and a valve movable along an axis to open and close the flow passage. A pneumatic actuator is operable to move the valve to open and close the flow passage. A manual lockout device is actuable to selectively enable and disable the valve. The device includes a locking member movable to prevent actuation of the lockout device when the valve is disabled. A fitting on the housing to convey a pressurized gas to the pneumatic actuator is mounted to swivel about the housing for connection to an air source on any radial within 360. The valve is compact, simple to connect in a system and safe.
Normally Closed Pneumatic Diaphragm Valve With Mechanical Override With Lockout
US Patent:
2009018, Jul 23, 2009
Filed:
Mar 31, 2009
Appl. No.:
12/415534
Inventors:
Harry Clayton Nesbitt - Benicia CA, US
International Classification:
F16K 31/12
US Classification:
251 58
Abstract:
A pneumatic valve with lockout for controlling the flow of a fluid includes a housing, a fluid flow passage extending through the housing between a fluid inlet and a fluid outlet, and a valve movable along an axis to open and close the flow passage. A pneumatic actuator is operable to move the valve to open and close the flow passage. A manual lockout device is actuable to selectively enable and actuation of disable the valve. The device includes a locking member movable to prevent the lockout device when the valve is disabled. A fitting on the housing to convey a pressurized gas to the pneumatic actuator is mounted to swivel about the housing for connection to an air source on any radial within 360. The valve is compact, simple to connect in a system and safe.
High Cv Bulk Process Valve, Control System And Method
US Patent:
6026835, Feb 22, 2000
Filed:
Jun 23, 1998
Appl. No.:
9/102625
Inventors:
Richard L. Martin - Southbury CT
Harry Clay Nesbitt - Benicia CA
David Edward Dwelly - Antioch CA
John F. Schoeppel - San Rafael CA
Harry Clay Nesbitt - Benicia CA
David Edward Dwelly - Antioch CA
John F. Schoeppel - San Rafael CA
Assignee:
Veriflo Corporation - Richmond CA
International Classification:
F16K 31126
US Classification:
137 1
Abstract:
A high Cv bulk process valve, control system and method convey a process gas or liquid for manufacturing semiconductors through a fluid passage. The fluid passage contains an aerodynamically shaped expansion chamber within which a valve seat and a moveable poppet are arranged for opening and closing the fluid passage. The aerodynamically shaped expansion chamber includes a conically expanding entry and a conically contracting exit and is shaped such that the resistance to flow of the process gas or liquid through the fluid passage of the valve is very nearly the same as through a straight tubing having a cross-sectional area of an inlet to the valve and a length of the fluid passage through the valve. The valve can be added or subtracted from a gas or liquid control system with virtually no changes in pressure drop of flow restriction, when the valve is in the open position. The valve minimizes the energy consumed by valves in semiconductor gas systems.
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