Manifolds for use in water heat distribution systems

Details Manifolds for use in water heat distribution systems Manifolds for use in water heat distribution systems

1999-12-23

2001-04-24

Joyce, Harold (Department: 3749)

Heating systems

Automatic control

Water

C237S00800C, C237S019000

Reexamination Certificate

active

06220520

ABSTRACT:

This invention relates to hydronic (hot water) heating systems for buildings, and in particular to manifolds therefor.
BACKGROUND OF INVENTION
Hydronic heating systems mix hot water from a source thereof, such as a boiler, with cooler water returning from terminal units in order to regulate the temperature of supply water flowing to the terminal units. Many such systems have been proposed and some are in commercial use. However, because of difficulties arising from the fact that different terminal units and different zones of a building normally require difficult supply water temperatures, a need still exists for a hydronic heating system which achieves such requirements in an improved manner.
It is therefore an object of the present invention to provide an improved hydronic heating system for buildings.
SUMMARY OF THE INVENTION
The present invention provides a modular manifold which includes master modules and possibly also slave modules which each provide a respective terminal unit with a relatively constant rate of water flow at a modulated supply water temperature.


REFERENCES:
patent: 1993685 (1935-03-01), Rosenblad
patent: 2559253 (1951-07-01), Lingen et al.
patent: 4601426 (1986-07-01), Brosenius
patent: 4679729 (1987-07-01), Petitjean et al.
patent: 5119988 (1992-06-01), Fiedrich
patent: 5617994 (1997-04-01), Fiedrich
Publication MultiTherm by Roth Heating Fall 1998.

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