US Patent No. 10,602,635

TWO-PHASE FLUID-ACTUATED COOLING DEVICE, SYSTEM, AND METHOD


Patent No. 10,602,635
Issue Date March 24, 2020
Title Two-phase Fluid-actuated Cooling Device, System, And Method
Inventorship John Ditri, Huntingdon Valley, PA (US)
Jay H. Ambrose, Santa Cruz, CA (US)
Assignee Lockheed Martin Corporation, Bethesda, MD (US)

Claim of US Patent No. 10,602,635

1. An electronics circuit card retainer, comprising:a closed, pre-charged flexible elongated hollow bladder configured to be provided in a slot to hold and retain at least a portion of an electronics circuit card in the slot;
a working fluid disposed within the closed, pre-charged flexible elongated hollow bladder, the working fluid being a predetermined pre-charged amount of working fluid disposed within the closed, pre-charged flexible elongated hollow bladder;
a flow circulator configured to circulate the working fluid within the closed, pre-charged flexible elongated hollow bladder without use of an active fluid delivery system when the closed, pre-charged flexible elongated hollow bladder is expanded against said at least the portion of the electronics circuit card provided in the slot; and
a chassis configured to hold the closed, pre-charged flexible elongated hollow bladder against said at least the portion of the electronics circuit card when the closed, pre-charged flexible elongated hollow bladder is fully in the slot and the electronics circuit card is at least partially in the slot such that the closed, pre-charged flexible elongated hollow bladder is between and in direct contact with the chassis and said at least the portion of the electronics circuit card,
wherein the working fluid is configured to exhibit a liquid phase within a first temperature/pressure range and a vapor phase within a second temperature/pressure range, and
wherein said at least the portion of the electronics circuit card against which the closed, pre-charged flexible elongated hollow bladder is held in direct contact is an entire length of a side surface of the electronics circuit card at a periphery of the electronics circuit card, and
wherein no portion of the closed, pre-charged flexible elongated hollow bladder extends from the slot.