Improved rotary valve for distributing fluid under pressure

1,034,423. Valves. WILLIAM DOXFORD & SONS (ENGINEERS) Ltd. April 4, 1963 [April 30, 1962], No. 16388/62. Heading F2V. A rotary valve comprises a valve head 4 having an annular surface engaging an annular surface 3 of the body, these surfaces being non- cylindrical and may be conical, as shown, s...

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Bibliographische Detailangaben
1. Verfasser:	BUTLER JOHN FRANCIS
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	1,034,423. Valves. WILLIAM DOXFORD & SONS (ENGINEERS) Ltd. April 4, 1963 [April 30, 1962], No. 16388/62. Heading F2V. A rotary valve comprises a valve head 4 having an annular surface engaging an annular surface 3 of the body, these surfaces being non- cylindrical and may be conical, as shown, spherical or planar surfaces. The head is formed with a bore 29 and passage 30 opening in the engaged surface to co-operate with a plurality of outlets 13. A sealing member 21 is resiliently loaded to engage the valve head 4 and has a bore 27 and recess 28 to connect a fluid inlet 25 to the bore 29. The size of the recess 28 is such that fluid pressure on a transverse face 17 of the valve head balances the fluid pressure exerted on the engaged surface. A passage 31 connects the chamber 2, housing the valve head, to groove 3 and helical groove 33 to allow release of fluid leaking to the chamber.