Patent · US Expired

Hydraulic thermal clamp for electronic modules

US4994937A · kind A · utility

41Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 22, 1989
Grant dateFeb 19, 1991
Priority date
Expiry dateDec 22, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K7/1404
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention is a clamp for thermically clamping a circuit board module by its edge to spaced guide rails within an enclosure, the guide rails forming a channel for the module. In detail, the system includes at least one hollow closed off tube, filled with a fluid-like material, joined to the edge of the module, the at least one tube having a semi-flexible wall and a specific width and volume. A mechanism is mounted to the module for decreasing the volume of a portion of the at least one tube causing the remaining portion of the at least one tube to increase in width clamping the module between the guide rails.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.