Steam-heating apparatus

Details Steam-heating apparatus Steam-heating apparatus

2008-01-08

2008-01-08

Lu, Jiping (Department: 3749)

Liquid heaters and vaporizers

Stand boiler

Heated by liquid or steam

C122S459000, C237S067000

Reexamination Certificate

active

11257740

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 a 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 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.

REFERENCES:
patent: 2954840 (1960-10-01), Freneau
patent: 5209284 (1993-05-01), Okamoto et al.
patent: 6420167 (2002-07-01), Okamoto et al.
patent: 6739288 (2004-05-01), Kumamoto
patent: 4-180829 (1992-06-01), None
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patent: 7-328422 (1995-12-01), None
patent: 7-328423 (1995-12-01), None
patent: 9-250887 (1997-09-01), None
patent: 11-319543 (1999-11-01), None

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