Micropump

Details Micropump Micropump

1992-09-30

1994-02-22

Bertsch, Richard A.

Pumps

Motor driven

Fluid motor

417413R, 417413B, 137539, 137903, F04B 4306

Patent

active

052882144

ABSTRACT:
A micropump comprises a housing for defining a pump chamber, an inlet valve disposed in an inlet flow passage, a outlet valve disposed in a outlet flow passage, and an actuator for changing a volume of the pump chamber. The actuator is formed of a thermo-responsive polymer gel material. Fluid is supplied and fed by heating and cooling the actuator.
A micropump comprises a pump body member for defining a tank chamber holding liquid, a liquid inlet portion, a liquid outlet portion for discharging the liquid medium in the tank chamber, a liquid outlet portion for discharging the liquid medium in the tank chamber, and an actuator, for reducing a volume of the tank chamber. The actuator is formed of a liquid-absorptive polymer gel.

REFERENCES:
patent: 3302662 (1967-02-01), Webb
patent: 3367362 (1968-02-01), Hoffman
patent: 4465438 (1984-08-01), Brauer et al.
patent: 4558995 (1985-12-01), Furukawa et al.
patent: 4687423 (1987-08-01), Maget et al.
patent: 4852605 (1989-08-01), Gouhier
Mar. 1989 IEEE-"Normally Close Microvalve And Micropump Fabricated On A Silicon Wafer", pp. 29-34, Masayoshi Esashi et al.
Mar. 1989 IEEE-"Fluid Flow In Micron And Submicron Size Channels", pp. 25-28, John Harley et al.
Apr. 1990 IEEE-"An Electrohydrodynamic Micropump", pp. 99-104, Axel Richter et al.
Apr. 1990 IEEE-"Preliminary Investigation Of Micropumping Based On Electrical Control Of Interfacial Tension", pp. 105-110, Hirofumi Matsumoto et al.
Apr. 1990 IEEE-"Prototype Micro-Valve Actuator", pp. 40-41, John D. Busch et al.
Apr. 1990 IEEE-"A Micro Chemical Analyzing System Integrated On A Silicon Wafer", pp. 89-94, Shigeru Nakagawa et al.
Apr. 1990 IEEE-"Micromachined Silicon Microvalve", pp. 95-98, T. Ohnstein et al.
Sep. 1991 IEEE-"A Piezo-Electric Pump Driven by a Flexural Progressive Wave", pp. 283-288, Shun-ichi Miyazaki et al.

Affiliated with

Also associated with

Rating

Micropump does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Micropump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Micropump will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-167860