1
Michi E Garrison: Pressure diaphragm for a medication infusion system. Minimed Technologies, Leslie S Miller, August 15, 1989: US04856340 (155 worldwide citation)

A pressure diaphragm installed in a disposable cassette for use on a main pump unit is disclosed which allows pressure downstream of a fluid pump to be measured with a high degree of accuracy. The pressure diaphragm is located over a raised cylindrical pressure plateau, and is spaced away from the p ...


2
Joel N Cunningham, Richard M Bucchianeri, Stephen H O Leary: Pressure diaphragm. Ivac Corporation, Fulwider Patton Rieber Lee & Utecht, August 16, 1983: US04398542 (108 worldwide citation)

A pressure diaphragm, wherein at least a portion of an elongate fluid channel is formed diametrically across, and is open through, a flat raised surface of a substantially rigid, disk-like body, and wherein a flexible membrane overlies the raised surface and is sealed to a surrounding flange. The fl ...


3
Parker C Smiley: Spring diaphragm. Physics International Company, Robert R Tipton, November 4, 1980: US04231287 (77 worldwide citation)

A high pressure diaphragm for use with an electroexpansive material utilizes a generally planar central member, a generally outer flange-engaging member, and an annular ring member, which can have a frusto-conical shape, having its outer edge flexibly connected to the inner edge of the flange-engagi ...


4
William D Wallace: Method and apparatus for pressure transducer calibration and simulation. Utah Medical Products, Workman Nydegger & Jensen, April 21, 1987: US04658829 (65 worldwide citation)

A method and apparatus for verifying the calibration of a pressure transducer in a pressure monitoring system and for isolating defective electrical components of the monitoring system. The apparatus includes a manually operable pressure cylinder for generating a known test pressure, a pressure cali ...


5
John B Slate, James L Henke: Patient-side occlusion detection system for a medication infusion system. Pacesetter Infusion, Leslie S Miller, September 5, 1989: US04863425 (53 worldwide citation)

A system for detecting an occlusion in a fluid line is disclosed which can detect occlusions in the downstream or patient side of a disposable cassette containing a fluid pump thereon. The cassette includes a pressure diaphragm and is for installation onto and use with a main pump unit including a p ...


6
James Epstein: Electrochemical cell. GTE Laboratories Incorporated, Irving M Kriegsman, Robert A Seldon, July 12, 1977: US04035552 (44 worldwide citation)

An electrochemical cell is disclosed having an internal circuit which is interrupted by a switch that is responsive to both excessive cell temperature and pressure. The switch preferably comprises a bimetallic strip mounted in the space between the cell cover and case and is electrically connected b ...


7
James D Cook, James ZT Liu: Disposable and trimmable wireless pressure sensor. Honeywell International, Kermit D Lopez, Luis M Ortiz, December 12, 2006: US07146861 (40 worldwide citation)

A disposable pressure sensor includes a substrate and a pressure diaphragm formed upon the substrate. A sensor coil can be provided, comprising a capacitor and an inductor formed on the substrate and surrounded by the pressure diaphragm. The ferrite core is located proximate to the sensor coil, such ...


8
Terrence J Kolenc: High pressure diaphragm valve. Nupro Company, Fay Sharpe Beall Fagan Minnich & McKee, June 1, 1993: US05215286 (39 worldwide citation)

A diaphragm valve for high pressure use has a metal diaphragm which is actuated into and out of direct engagement with a valve seat by an air operator acting through a force multiplying lever assembly. The valve seat is confined by rigid interior and exterior sleeves while the sealing surface is con ...


9
Werner K Priese, Wayne David Hayes: High pressure diaphragm valve. Hills McCanna Company, Olson Trexler Wolters Bushnell & Fosse, March 29, 1977: US04014514 (37 worldwide citation)

A closure-port type valve is constructed so as to minimize internal stresses and lengthen valve life. A limit plate is secured between a valve bonnet and a valve body; the limit plate halts motion of a diaphragm compressor as the compressor moves the diaphragm toward a valve-closed position. The lim ...


10
Michael G Izenson, Patrick J Magari: Electromechanically-assisted regulator control assembly. Creare, Down Rachlin Martin PLLC, September 5, 2006: US07100628 (33 worldwide citation)

An electromechanically-assisted control system for use in a second-stage regulator. Regulator control assembly (20), also referred to as EMA assembly (20), includes a mechanical actuator sub-assembly (21) and an electromechanical actuator (EMA) sub-assembly (22) for controlling airflow through singl ...