US2003148238A1PendingUtilityA1

Method and apparatus for starting an explosion proof heater

Priority: Feb 6, 2002Filed: Jan 16, 2003Published: Aug 7, 2003
Est. expiryFeb 6, 2022(expired)· nominal 20-yr term from priority
F23Q 21/00
12
PatentIndex Score
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Claims

Abstract

A method and an apparatus for starting an explosion proof heater. A first step involves providing a portable generator, a transformer transforming a primary output voltage of the portable generator to a secondary output voltage suitable for starting the explosion proof heater, and power cables. A second step involves positioning the portable generator remotely from the explosion proof heater. A third step involves transforming the primary output voltage of the portable generator to the secondary output voltage with the transformer. A fourth step involves passing the secondary output voltage through the power cables from the transformer to the explosion proof heater until the explosion proof heater is capable of sustained operation without the secondary output voltage.

Claims

exact text as granted — not AI-modified
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:  
     
         1 . An apparatus for starting an explosion proof heater, comprising: 
 a portable generator capable of being positioned remote from the explosion proof heater;    a transformer capable of transforming a primary output voltage of the portable generator to a secondary output voltage suitable for starting the explosion proof heater;    power cables adapted for connecting the transformer to the explosion proof heater.    
     
     
         2 . The apparatus as defined in  claim 1 , wherein the primary output voltage of the portable generator being 110 volts and the secondary output voltage of the transformer being between approximately 12 to 24 volts.  
     
     
         3 . An apparatus for starting an explosion proof heater, comprising in combination: 
 an explosion proof heater;    a portable generator positioned remote from the explosion proof heater;    a transformer transforming a primary output voltage of the portable generator to a secondary output voltage suitable for starting the explosion proof heater; and    power cables connecting the transformer to the explosion proof heater.    
     
     
         4 . The apparatus as defined in  claim 3 , wherein the primary output voltage of the portable generator being 110 volts and the secondary output voltage of the transformer being between approximately 12 to 24 volts.  
     
     
         5 . The apparatus as defined in  claim 3 , wherein the portable generator is positioned on a service vehicle.  
     
     
         6 . A method for starting an explosion proof heater, comprising the steps of: 
 providing a portable generator, a transformer transforming a primary output voltage of the portable generator to a secondary output voltage suitable for starting the explosion proof heater, and power cables;    positioning the portable generator remotely from the explosion proof heater;    transforming the primary output voltage of the portable generator to the secondary output voltage with the transformer; and    passing the secondary output voltage through the power cables from the transformer to the explosion proof heater until the explosion proof heater is capable of sustained operation without the secondary output voltage.    
     
     
         7 . The method as defined in  claim 6 , the primary output voltage of the portable generator being 110 volts and the secondary output voltage of the transformer being between approximately 12 to 24 volts.  
     
     
         8 . The method as defined in  claim 6 , the portable generator being positioned on a service vehicle.

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