E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/68
E21C 25/60 (2006.01) A62C 31/00 (2006.01) B26F 3/00 (2006.01)
Patent
CA 1174700
ABSTRACT OF THE DISCLOSURE A pulse hydraulic monitor comprises two barrels for alternately directing a pulsating jet of liquid onto a target, a valve means for dividing the flow of liquid having an inlet for a hydraulic liquid, and two outlets for delivering the same into the barrels, and pulse-forming means. The pulse-forming means includes a through hollow enclosure, a separating member, two limit stops of the separating member, means for retarding the motion of the separating member. The through hollow enclosure is in hydraulical relationship with the barrels, and the separating member is movable between two end positions relative the barrels so as to take one of these two end positions for forming a pulse when the pressure of the hydraulic liquid flowing in the corresponding barrel assumes a predetermined value. The means for retarding the motion of the separating member is made in the form of a pipe filled with the hydraulic liquid under the pressure produced by a pressure source, or a cylindrical compression spring, or a sleeve closed by a membrane and filled with a compressed gas. The separating member operates as a result of the liquid pressure assuming a predetermined value in the corres- ponding barrel only after when the pressure in said barrel is increased to a desired value. The invention is useful in hydraulic winning of minerals, hydraulic engineering, and power engineering.
403926
Aralov Evgeny G.
Astrakhan Alexandr Z.
Ekber Boris Y.
Goldynsky Gennady G.
Isadchenko Vasily S.
Donetsky Politekhnichesky Institut
Swabey Ogilvy Renault
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