The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7089885 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 15, 2006

Filed:

Jan. 07, 2004
Applicant:

Tadaaki Kumamoto, Kakogawa, JP;

Inventor:

Tadaaki Kumamoto, Kakogawa, JP;

Assignee:

TLV Co., Ltd., Hyogo-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24D 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a steam-heating apparatus in which a heating section formed in a heat exchanger is connected to a steam supply pipe for receiving supply of heating steam and connected also to a condensate recovering unit for discharging condensate produced as a result of heating, the apparatus includes a steam ejector including a suction chamber connected to the heating section and an inlet for receiving supply of the steam. When the temperature of the heating section or between the heating section and the condensate recovering unit is dropped by a predetermined value, steam is supplied from the steam supply pipe to the inlet of the steam ejector, and gas in the heating section is sucked into the suction chamber of the steam ejector.


Find Patent Forward Citations

Kumamoto, Tadaaki. (2006). Steam-heating apparatus (U.S. Patent No. 7089885). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7089885

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