Differential pressure transducer

- Honeywell Inc.
Description

FIG. 1 is an upper front and left side perspective view of a differential pressure transducer showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a left end elevational view thereof;

FIG. 7 is a right end elevational view thereof;

FIG. 8 is an upper front and left side perspective view of a differential pressure transducer showing a second embodiment of my new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a front elevational view thereof;

FIG. 13 is a left end elevational view thereof;

FIG. 14 is a right end elevational view thereof;

FIG. 15 is an upper front and left side perspective view of a differential pressure transducer showing a third embodiment of my new design;

FIG. 16 is a top plan view thereof;

FIG. 17 is a rear elevational view thereof;

FIG. 18 is a bottom plan view thereof;

FIG. 19 is a front elevational view thereof;

FIG. 20 is a left end elevational view thereof;

FIG. 21 is a right end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D109572 May 1938 Van Vleck
D140570 March 1945 Leupold
D287359 December 23, 1986 Ohashi
3631439 December 1971 Nichols
4006641 February 8, 1977 Alten
4656454 April 7, 1987 Rosenberger
Other references
  • Micro Switch data sheet 84-07979-4, 1 88 entitled, Solid State Miniature Pressure Sensors, 14 PC/16 PC Series. Micro Switch Catalog 15 entitled, Specifier's Guide for Pressure Sensors, transducers on pp. 6, 7, 12, 20, 28, 32, 40, Issue 3. Micro Switch data sheet 84-07936-C entitled, Solid State Low Pressure Sensors, 163PC01D48, Issue 4 supplement to Cat. 15. Micro Switch data sheet 84-07984-A, entitled, Solid State Miniature Pressure Sensors Amplified Output, Issue 2, Cat. 15. Micro Switch data sheet 84-07984-0, entitled, Solid State Miniature Pressure Sensors, Amplified Output, 180 PC Series. Machine Design, Nov. 24, 1988 article, "Tiny Sensors Keep a Close Watch on the Body", (cover and pp. 3 and 64-70).
Patent History
Patent number: D318646
Type: Grant
Filed: Dec 30, 1988
Date of Patent: Jul 30, 1991
Assignee: Honeywell Inc. (Minneapolis, MN)
Inventor: Said Karbassi (Monroe, WI)
Primary Examiner: Susan J. Lucas
Assistant Examiner: J. Sincavage
Attorney: Charles L. Rubow
Application Number: 7/292,576
Classifications