Bronson Kathryn Murray

US Patent:

6515636, Feb 4, 2003

Filed:

Apr 12, 2001

Appl. No.:

09/833549

Inventors:

Joseph Charles Munder - Doylestown PA
Bronson Murray - Leesburg VA

Assignee:

Lockheed Martin Corporation - Bethesda MD

International Classification:

H01Q 120

US Classification:

343878, 343705, 343DIG 2

Abstract:

An array antenna including: a frame having a two-dimensional array of a plurality of openings; an electromagnetically radiating tile disposed in each opening; and mounting means for holding at least one tile in a corresponding opening of the frame, each of the mounting means comprising at least two biasing members, each biasing member exerting a biasing force on the tile relative to the frame. Preferably, each biasing member is a leaf spring having first and second ends attached to the frame and a bowed section attached to the tile. Furthermore, it is preferred that each biasing member further have a way to vary the biasing force with temperature, such as fabricating the bow portion from a first and second material, each having a different coefficient of thermal expansion. Also provided is a spacecraft which utilizes the array antenna of the present invention.

US Patent:

20210318074, Oct 14, 2021

Filed:

Apr 8, 2020

Appl. No.:

16/843801

Inventors:

- Bethesda MD, US
Jay H. Ambrose - Santa Cruz CA, US
Spencer K. Connor - Littleton CO, US
Bronson Murray - Littleton CO, US

International Classification:

F28D 15/02
B64G 1/50

Abstract:

A panel assembly for use with a spacecraft includes a payload, a radiator panel and a heat pipe. The payload is configured to generate waste heat during operation. The radiator panel is spaced apart from the payload and is configured to dissipate waste heat. The heat pipe is coupled to the payload and the radiator panel. The heat pipe includes a compliant portion to permit the radiator panel to move relative to the payload. Further the heat pipe is configured to transfer waste heat from the payload to the radiator panel.