Heat exchange – Geographical
Patent
1999-05-14
1999-12-14
Atkinson, Christopher
Heat exchange
Geographical
165 76, 62260, 248 58, 248 62, F28D 700
Patent
active
060004592
ABSTRACT:
A U-bend pipe spacer for separating vertical portions of a U-bend pipe in a bore in the ground during installation of the U-bend pipe in a geothermal vertical heat exchanger system. The U-bend pipe spacer includes a biasing member with a pair of elongate portions having free ends biased apart from one another. The elongate portions of the biasing member is resiliently deflectable from a relaxed position to a deflected portion such that the free ends of the elongate portions of the biasing member are positioned closer to each other when the elongate portions are in the deflected position. The spacer also includes a pair of clip members each comprising a body having a concave arcuate side face defining a channel and a tremie hook is coupled to the body. The tremie hook has a concave side. The body of a first of the clip members is coupled to the free end of a first of the elongate portions of the biasing member and the body of a second of the clip members is coupled to the free end of a second of the elongate portions of the biasing member with the channels of the clip members facing outwardly away from each other. The channel of the body of the first clip member is designed for receiving a first elongate portion of a U-bend pipe therein and the channel of the body of the second clip member is designed for receiving a second elongate portion of the U-bend pipe therein. The bodies of the clip members are positioned adjacent each other when the elongate portions of the biasing member are positioned in the deflected position. In this deflected position, the tremie hooks of the clip members overlap each other so that the concave sides of the tremie hooks face one another and define a tremie space therebetween for extending a tremie pipe therethrough which holds the elongate portions of the biasing member in the deflected position as long as the tremie pipe is in the tremie space.
REFERENCES:
patent: 447297 (1891-03-01), Carpenter
patent: 4160477 (1979-07-01), Roffler
patent: 4715429 (1987-12-01), Morgensen
patent: 4867229 (1989-09-01), Morgensen
patent: 5054541 (1991-10-01), Tripp
patent: 5590715 (1997-01-01), Amerman
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