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Patent Searching and Data


Title:
FIRING PRODUCT FEED DEVICE FOR A FURNACE FOR OUTPUTS DOWN TO LESS THAN 1 KW
Document Type and Number:
WIPO Patent Application WO/2009/149570
Kind Code:
A3
Abstract:
The firing product feed device for granular firing product is designed for furnaces with minimal outputs of less than 1 kW. It comprises a conveyor screw (2) that is disposed in a pipe (8) for feeding the firing product. The central screw axis pipe (3), at the outer wall of which the volution (5) is provided and together with which the conveyor screw (2) is supported rotatably in the pipe (8), measures at least one quarter of the pipe diameter. The screw axis pipe (3) tapers off at the top as a cone (10) into a tip, wherein above the screw a circular grating (1) having a central round hole (6) and air feed openings (7) in the outer region of the grating (1) is disposed horizontally. This hole (6) is smaller than the diameter of the conveyor screw (2) and from the edge thereof (18) a conically expanding, funnel-shaped wall (9) is guided downward as a sliding wall for the firing product to be conveyed. Said wall (9) runs approximately or exactly parallel to the cone (10) of the upper end of the screw axis (3). The inside of the conveyor pipe (8) is rough, thereby preventing the firing product from rotating with the screw.

Inventors:
RIEMENS ANDRE (CH)
VETSCH GABRIELA (CH)
SALERNO BASSO (CH)
Application Number:
PCT/CH2009/000185
Publication Date:
December 23, 2010
Filing Date:
June 04, 2009
Export Citation:
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Assignee:
RIEMENS ANDRE (CH)
VETSCH GABRIELA (CH)
SALERNO BASSO (CH)
International Classes:
F23B40/04; F23K3/14
Foreign References:
US2359638A1944-10-03
GB666686A1952-02-20
JPS60117003A1985-06-24
Attorney, Agent or Firm:
FELBER, Josef (Dufourstrasse 116, Zürich, CH)
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