Hydraulic throttle device with permanent flow channel - has channel gap related by mathematical formula to fluid properties and dimensions

Hydraulic throttle device with permanent flow channel - has channel gap related by mathematical formula to fluid properties and dimensions

A throttle for the hydraulic circuit of a programmed machine tool or follower mechanism has a circular housing (1) with a groove (5) around part of it, into which fits an insert (6). The latter is of a higher linear coefficient of expansion then the material of the housing. The housing and insert ar...

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Bibliographische Detailangaben
1. Verfasser: A. Y. KATS, G. P. DUBOSARSKY, D. P. ZAKHVATKIN, I. K. BURDA, S. A. MEZENTSEV, N. M. BARSHTAK ET J. V. CHERNYKL
Format: Patent
Sprache:eng ; fre
Schlagworte:
CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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Beschreibung
Zusammenfassung:A throttle for the hydraulic circuit of a programmed machine tool or follower mechanism has a circular housing (1) with a groove (5) around part of it, into which fits an insert (6). The latter is of a higher linear coefficient of expansion then the material of the housing. The housing and insert are ring shaped and enclose a rotating cylindrical member (2), leaving a gap (7) between. The width (h) of this gap is given by a formula relating the viscosity of the fluid handled, the length of the gap, the density of the fluid, and the pressure drop inside.