Patent · US Expired

Hot water supply system with a ring pipeline

US5586720A · kind A · utility

14Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 1995
Grant dateDec 24, 1996
Priority date
Expiry dateMar 21, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/85962
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A hot water supply system is provided, which includes a ring pipeline which extends through a water heater and in which water circulates, before going through tap pipelines to taps. The circulation pipelines have a substantially smaller cross-section than that of the tap pipelines. The circulation pipelines extend, for a portion thereof, in the interior of the tap pipelines before terminating openly in a region of a tap. A pipe branch piece is included, which is in the form of a continuous pipe and forms a component of the tap pipeline. A branch pipe of the pipe branch piece receives the circulation pipeline. The branch pipe forms an acute angle with the tap pipeline, with the angle being opened opposite to the flow direction in the tap pipeline. The section of the circulation pipeline, which extends to the tap, is inserted endways into the branch pipe, while the remaining section of the branch pipe joints at the branch pipe and at the ring pipeline.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.