Title of Invention

AN INTRINSICALLY SAFE PRESSURE CONTROL SYSTEM

Abstract This invention relates to an intrinsically safe pressure control system (10) for controlling operation of a device (12) placed in a hazardous area (28), the hazardous area (28) having flammable material, a portion of the control system (10) operating in a safe area (30), and a portion of control system (10) operating in a safe area (30), and a portion of control system (10) operating in the hazardous area (28). A controller (52) is located within the hazardous area and exposed to said flammable material, the controller receiving input signals from the safe area (28), lthe controller (52) generating a control lsignal; and a first piezo electrically controlled valve (74) located within the hazardous area (28) and exposed to said flammable material, the piezo electrically controlled valve (74) generating an output pressure in response to the control signal.
Full Text

Documents:

in-pct-2002-67-kol- granted-abstract.pdf

in-pct-2002-67-kol- granted-assignment.pdf

in-pct-2002-67-kol- granted-claims.pdf

in-pct-2002-67-kol- granted-correspondence.pdf

in-pct-2002-67-kol- granted-description (complete).pdf

in-pct-2002-67-kol- granted-drawings.pdf

in-pct-2002-67-kol- granted-examination report.pdf

in-pct-2002-67-kol- granted-form 1.pdf

in-pct-2002-67-kol- granted-form 18.pdf

in-pct-2002-67-kol- granted-form 2.pdf

in-pct-2002-67-kol- granted-form 26.pdf

in-pct-2002-67-kol- granted-form 3.pdf

in-pct-2002-67-kol- granted-form 5.pdf

in-pct-2002-67-kol- granted-letter patent.pdf

in-pct-2002-67-kol- granted-reply to examination report.pdf

in-pct-2002-67-kol- granted-specification.pdf

in-pct-2002-67-kol- granted-translated copy of priority document.pdf

IN-PCT-2002-67-KOL-FORM-27.pdf


Patent Number 219551
Indian Patent Application Number IN/PCT/2002/67/KOL
PG Journal Number 19/2008
Publication Date 09-May-2008
Grant Date 07-May-2008
Date of Filing 15-Jan-2002
Name of Patentee ROSS OPERATING VALVE COMPANY
Applicant Address 1250 KIRTS BOULEVARD TROY, MICHIGAN 48084
Inventors:
# Inventor's Name Inventor's Address
1 WORDE LAWRENCE J. 19603 CORNWELL DRIVE, MACOMB TOWNSHIP, MICHIGAN 48044
2 MATTHEWS CHRISTOPHER W. 208 LAURELMEADOWS PKWY, GREENVILLE, SOUTH CAROLINA 29607
3 VOLLMER JOSEF BAYERNSTRASSE NO.6, BERNBEUREN 86975
4 SCHROBENHAUSER MAX CALVISTRASSE 7, PEITING D-86971
PCT International Classification Number F 16 K
PCT International Application Number PCT/US01/19535
PCT International Filing date 2001-06-19
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 60/212,266 2000-06-19 U.S.A.