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U.S. Patent Specifications

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 September 1945

Abstract

A transportable test stand for testing hydraulic appliances on aircraft which comprises a transportable frame, a reservoir for fluid under normal pressure mounted therein, three devices for supplying fluid under increased pressure; to wit, a high pressure variable flow pump associated with a motor, a low volume pressure pump adapted to be operated manually, and a hydraulic accumulator adapted to supply fluid under progressively decreasing pressure, conduits to feed fluid from said reservoir to said two first‐mentioned devices, means to feed fluid under pressure from said first‐mentioned to said third mentioned device, a plurality of pressure outlets in one of the outside walls of said frame, each including a self‐sealing coupling, a plurality of return outlets in one of the outside walls of said frame, each including a self‐sealing coupling, a free return line extending between all said return outlets and said reservoir, another return line extending between the same outlets and the same reservoir but including a flow meter, means to direct the return flow of fluid alternatingly through the first‐mentioned and the second mentioned return line, and means, operable from the outside, to connect any desired number of pressure outlets to any desired number of devices.

Citation

(1945), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 17 No. 9, pp. 277-278. https://doi.org/10.1108/eb031291

Publisher

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MCB UP Ltd

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