Device for circulation of a fluid, e. g. hot water

Details Device for circulation of a fluid, e. g. hot water Device for circulation of a fluid, e. g. hot water

E - Fixed Constructions

03

B

137/75

E03B 5/00 (2006.01) F04D 13/04 (2006.01) F24D 3/02 (2006.01)

Patent

CA 1157346

ABSTRACT The invention is related to a device for circulation of a fluid, particularly hot water, comprising a primary conduit circuit, through which the fluid is transportable to a plurality of secondary conduit circuits by means of at least one main pump, each of said secondary conduit circuits comprising an auxiliary pump for maintaining the fluid in the secondary conduit circuit in movement also during periods when the latter circuit is shut off from the primary conduit circuit. According to the invention, a driven element in the form of a blade wheel (15) of the auxiliary pump which imparts a motion to the fluid in the secondary conduit circuit is connected to a driving element in the form of a blade wheel (16), which is arranged in the primary conduit circuit (19) to receive kinetic energy from the fluid flowing therein and thereby automatically maintain the driven blade wheel (15) in operation at least as long as the main pump is in operation. (Fig, 2).

377964

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