1
Viraraghavan S Kumar: Proportional electropneumatic solenoid-controlled valve. Puritan Bennett Corporation, Evenson Wands Edwards Lenahan & McKeown, September 4, 1990: US04954799 (156 worldwide citation)

A rectilinear motion proportional solenoid assembly includes a cylindrical housing containing an electromagnetic coil having a longitudinal coaxial bore. The housing contains maagnetic material for providing a flux path for the magnetic field produced by the coil. A generally cylindrical magnetic po ...


2
Viraraghavan S Kumar: Proportional electropneumatic solenoid-controlled valve. Puritan Bennett, Charles E Wands, April 12, 1994: US05301921 (126 worldwide citation)

A rectilinear motion proportional solenoid assembly includes a cylindrical housing containing an electromagnetic coil having a longitudinal coaxial bore. The housing contains magnetic material for providing a flux path for the magnetic field produced by the coil. A generally cylindrical magnetic pol ...


3
Viraraghavan S Kumar: Proportional electropneumatic solenoid-controlled valve. Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, April 18, 1995: US05407174 (126 worldwide citation)

A rectilinear motion proportional solenoid assembly includes a cylindrical housing containing an electromagnetic coil having a longitudinal coaxial bore. The housing contains magnetic material for providing a flux path for the magnetic field produced by the coil. A generally cylindrical magnetic pol ...


4
Kumar Viraraghavan S: Valve electropneumatique a mouvement proportionnel commande par soleide, Proportional electropneumatic solenoid-controlled valve. Puritan Bennett Corporation, SMART & BIGGAR, October 25, 1994: CA2020787 (4 worldwide citation)

A rectilinear motion proportional solenoid assembly includesa cylindrical housing containing an electromagnetic coil having alongitudinal coaxial bore. The housing contains magnetic materialfor providing a flux path for the magnetic field produced by thecoil. A generally cylindrical magnetic pole pi ...