Global Patent Index - EP 1531267 A3

EP 1531267 A3 20060517 - Pumping device using thermal-transpiration micropumps

Title (en)

Pumping device using thermal-transpiration micropumps

Title (de)

Pumpvorrichtung mit Mikropumpen, die einen thermischen Transpirationseffekt nutzen

Title (fr)

Dispositif de pompage par micropompes à transpiration thermique

Publication

EP 1531267 A3 20060517 (FR)

Application

EP 04292591 A 20041102

Priority

FR 0312894 A 20031104

Abstract (en)

[origin: EP1531267A2] The device has heat transpiration micropumps (1, 6-9) placed on a semiconductor substrate (5) in several rows (A-D) and columns (a-d). Each micropump has a channel (3) and a heating unit (4) connected in series with a transistor whose base is connected to an output of an AND gate whose respective inputs are connected to a row control conductor and a column control conductor.

IPC 8 full level

B81B 1/00 (2006.01); F04B 37/06 (2006.01); B81B 7/02 (2006.01); F04B 19/00 (2006.01); F04B 19/24 (2006.01); F04B 43/04 (2006.01); F04B 49/06 (2006.01)

CPC (source: EP US)

F04B 19/006 (2013.01 - EP US); F04B 19/24 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1531267 A2 20050518; EP 1531267 A3 20060517; EP 1531267 B1 20081203; AT E416311 T1 20081215; DE 602004018089 D1 20090115; FR 2861814 A1 20050506; FR 2861814 B1 20060203; JP 2005163784 A 20050623; US 2005095143 A1 20050505; US 7572110 B2 20090811

DOCDB simple family (application)

EP 04292591 A 20041102; AT 04292591 T 20041102; DE 602004018089 T 20041102; FR 0312894 A 20031104; JP 2004313419 A 20041028; US 97914904 A 20041103