Patent ID: 6712586
Filing Date: 2004-03-30
Classification: G08B

Abstract:
A gas suction pump device suitable for use in being connected by a connecting tube to a portable gas alarm device, which comprises:a casing having a substantially rectangular framelike sectional shape having two side walls opposite to each other, and upper and lower walls which connect the side walls to each other, and formed slenderly in a gas flowing direction and into a size holdable by grasping with a hand; a control circuit board provided in the casing so as to extend in a longitudinal direction along the upper wall; a pump unit arranged in a region on the side of one side wall under the control circuit board, in which one end and the other end of a gas flow path defined by the pump unit and extending in the longitudinal direction of the casing communicate with a gas inlet port opened forward of the casing and a gas outlet port opened backward of the casing, respectively; and a battery fitting chamber provided in a region on the side of the other side wall.