Fluid flow control system
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United States of America Patent
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Mar 15, 2016
Grant Date -
Aug 8, 2013
app pub date -
Jun 16, 2011
filing date -
Jun 16, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid flow control system has a heating device for heating a fluid and a first flow path for providing the heated fluid from the heating device to a use region. A heat exchanger has a supply path that received fluid from a fluid supply, and an outlet path that receives fluid from the use region, whereby the fluid in the supply path is pre-heated by the fluid in the outlet path. A second flow path provides pre-heated fluid from the supply path of the heat exchanger to the heating device. Modulating devices control fluid flow through the outlet path along the supply path. A flow control device controls the modulating devices such that the fluid flow rates in the fluid supply path and outlet path of the heat exchanger are balanced, so as to be substantially the same.
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International Classification(s)
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- A47K:SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR
- E03B:INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING....
- E03C:DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR....
- F24D:DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL H....
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