Paul Raskin, 8010 Marie Ter, Town Center, NJ 07052
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10 Marie Ter, West Orange, NJ 07052 973-7316998 973-7366830
Grand Rapids, MN
Saint Paul, MN
Long Beach, CA
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Paul Raskin
Dr. Paul Raskin is the Founding Director of the Tellus Institute which has conducted over 3500 research and policy projects throughout the world on ...
Us Patents
Poppet Valve
US Patent:
4168720, Sep 25, 1979
Filed:
Nov 7, 1977
Appl. No.:
5/849118
Inventors:
Paul Raskin - West Orange NJ
Assignee:
General Pneumatics Corporation - Orange NJ
International Classification:
F16K 31122
US Classification:
13750518
Abstract:
An improved poppet valve is provided which includes a piston having a stem and a disk-shaped head attached to the stem. The piston is mounted to reciprocate in a cylinder, the internal wall of which has a seat formed therein to define a flow orifice between the cylinder seat and the disk-shaped head. The piston head includes a flat face on one side thereof and a working surface on the opposite face which is adapted to define the flaw orifice with the cylinder seat. The working surface includes an annular face having a specifically defined shape and a portion connecting the annular face to the stem. The shape of the annular face significantly decreases the operating time of the valve to discharge the cylinder via the flow orifice. In one embodiment, the surface of the annular face has a conical shape and forms an angle in the range of 20. degree. to 60. degree. with the longitudinal axis of the stem.
Poppet Valve
US Patent:
4215715, Aug 5, 1980
Filed:
Feb 22, 1979
Appl. No.:
6/014126
Inventors:
Paul Raskin - West Orange NJ
Assignee:
General Pneumatics Corporation - Orange NJ
International Classification:
F16K 31122
US Classification:
13750518
Abstract:
An improved poppet valve is provided which includes a piston having a stem and a disk-shaped head attached to the stem. The piston is mounted to reciprocate in a cylinder, the internal wall of which has a seat formed therein to define a flow orifice between the cylinder seat and the disk-shaped head. The piston head includes a flat face on one side thereof and a working surface on the opposite face which is adapted to define the flow orifice with the cylinder seat. The working surface includes an annular face having a specifically defined shape and a portion connecting the annular face to the stem. The shape of the annular face significantly decreases the operating time of the valve to discharge the cylinder via the flow orifice. In one embodiment, the surface of the annular face has a conical shape and forms an angle in the range of 20. degree. to 60. degree. with the longitudinal axis of the stem.
Isbn (Books And Publications)
Leap: A Description Of The Ldc Energy Alternatives Planning System
Author:
Paul D. Raskin
ISBN #:
0841997799
Leap: A Description Of The Ldc Energy Alternatives Planning System
Author:
Paul D. Raskin
ISBN #:
9171062475
Energy And Development In Kenya: Opportunities And Constraints
Author:
Paul Raskin
ISBN #:
0841997675
Energy And Development In Kenya: Opportunities And Constraints
Author:
Paul Raskin
ISBN #:
9171062254
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