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Title:
PUMP
Document Type and Number:
WIPO Patent Application WO/1987/003936
Kind Code:
A1
Abstract:
A pump, comprising a casing (1) with an internal cavity in which is mounted, with the possibility of reciprocating movement, an elastic sleeve (2) one end (5) of which is turned inside out and fixed, along its perimeter, to the inner surface of the casing (1) whereas the other end is closed so as to divide hermetically the internal cavity of the casing (1) into two chambers (6, 7) one (7) of which is connected to a source (12) of the pumped medium and to an inlet main. To ensure the displacement of the elastic sleeve (2) in one direction its closed end is connected to a drum (3), which, in turn is connected to a drive and is mounted in one (6) of the chambers (6, 7), whereas the displacement in the opposite direction is effected by the pressure of a working medium created in one (6) of the chambers.

Inventors:
Shishkin
Viktor, Vasilievich Kryazhevskikh
Nikolai, Fedorovich Shapovalov
Jury, Petrovich
Application Number:
PCT/SU1986/000139
Publication Date:
July 02, 1987
Filing Date:
December 19, 1986
Export Citation:
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Assignee:
Trest, "JUZHVODOPROVOD" Shishkin
Viktor, Vasilievich Kryazhevskikh
Nikolai, Fedorovich Shapovalov
Jury, Petrovich
International Classes:
F04B43/06; F04B9/107; F04B19/08; (IPC1-7): F04B43/06
Foreign References:
SU918590A1
SU641180A1
DE1040375B
Other References:
ELEKTROSVYAZ, No. 3, 1973, (Svyaz, Moscow), G.Z. AIZENBERG et al., "Prevmaticheskie Antenny", page 24.
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