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Nippon Furnace Kogyo Kabushiki Kaisha Patents
Assignee:
Nippon Furnace Kogyo Kabushiki Kaisha
Address:
Kanagwa, JP
No. of patents:
13
Patents:












Patent Number Title Of Patent Date Issued
6234789 Inter-switching heat accumulating regenerative burner system May 22, 2001
The present invention provides an alternate changeover regenerative burner system suitable for use as a heat source for an industrial furnace and the like where re-increase in temperature is relatively-often carried out; an alternate changeover regenerative burner constituted by a burner
6109914 Gas flow furnace August 29, 2000
The present invention relates to a gas recirculating furnace which aims to enable generation of a high-temperature strong recirculating current and comprises heat sources 3A and 3B for heating a recirculating gas outside the furnace and an out-of-furnace circulating path 4 for taking com
6066301 Deodorizing system May 23, 2000
The present invention relates to a deodorizing system for reducing the size of a facility and realizing the thermal efficiency much higher than the prior art, wherein a deodorizing furnace 1 is connected with thermal equipment 8 which uses a heated gas current as a heat source through an
5997292 High-temperature gas generator December 7, 1999
According to the present invention, gas which contains no impurities and has a high temperature of approximately 700 to 1400.degree. C. can be supplied for a long period with a short preparation time, and fluctuation in the temperature during supply can be reduced. The apparatus accordin
5951281 Gas flow circulation type tubular heating equipment September 14, 1999
The present invention relates to a gas recirculating tubular heating equipment which improves the heat transfer performance, reduces a heat transfer area to approximately 1/2 or under of that of a prior art and is not limited to a certain type of available fuel. This equipment comprises:
5890457 Boiler April 6, 1999
A boiler is provided with a radiation heat transfer section in its combustion chamber, which has therein, at least one regenerative-heating burner system including a pair of burners each with a regenerative bed. The burners receive combustion air and exhaust combustion gas which passes
5848885 Regenerative burner and regenerative heat exchange system applicable thereto December 15, 1998
A regenerative heat exchange system performs heat exchange by alternately passing combustion exhaust gas as high-temperature fluid and combustion air as low-temperature fluid through a fixed regenerator. A regenerative burner carries out combustion using preheated air from the exchange
5791299 Small once-through boiler August 11, 1998
A small once-through boiler can avoid burning caused due to excessive heating of water pipes and burning around a fire hole of a burner in particular and heighten the heat load of a combustion chamber to further reduce the size of the system as compared with a prior art boiler. In the
5687764 Four-port valve November 18, 1997
The present invention relates to a four-port valve capable of controlling directions of the flow of two types of fluid. This four-port valve is configured in such a manner as that: the inside of a casing 1 is divided into four chambers 3a, 3b, 3c and 3d by a substantially-X-shaped partit
5626104 Boiler with increased flame temperature and output May 6, 1997
A boiler is provided with a radiation heat transfer section in its combustion chamber, which has therein, at least one regenerative-heating burner system including a pair of burners each with a regenerative bed. The burners receive combustion air and exhaust combustion gas which passes
5522348 Boiler June 4, 1996
A boiler has a radiation heat transfer section with opposite sides and boiler water tubes therein for passing boiler water to be heated by combustion gas in the radiation heat transfer section. The boiler water moves substantially in a selected direction in the radiation heat transfer
5515909 Flow switching apparatus, regenerative alternate combustion burner system using the apparatus, a May 14, 1996
A flow switching apparatus has a simple structure and enables a rapid flow switching operation between two systems of flow, e.g., flows in which two kinds of fluid each having a temperature different from each other flows without causing any gas leakage. The apparatus comprises: a casing
5410988 Tubular furnace and method of controlling combustion thereof May 2, 1995
A tubular furnace uses a fluid to be heated which is prevented from coking or a heating tube which is prevented from burning. Heat is provided through a smaller heat transfer area and problems of corrosion at low temperature of the heating pipe in the tubular furnace due to sulfur co

 
 
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