Patent ID: 7694723
Filing Date: 2010-04-13
Classification: F04B,F28F,H01L

Abstract:
1. A water block, comprising: a cavity having an inlet pipeline and an outlet pipeline thereon, an interior of the cavity having a chamber; a heat-exchanging means provided in the chamber for performing a heat-exchanging action with a heat-dissipating fluid; a membrane provided on a top of the cavity; and an activating element adhered to an upper surface of the membrane, the activating element having a fixed end and a swinging end, the swinging end being movable along an arc-shaped trajectory to change a sectional volume of the cavity; wherein the sectional volume of the cavity is changed so that working fluid existing in the cavity enters from the inlet pipeline and exits through the outlet pipeline to generate a flow in single direction, wherein the chamber further comprises a first chamber communicating with the inlet pipeline and a second chamber communicating with the first chamber and the outlet pipeline, and wherein a through hole is provided between the first chamber and the second chamber.