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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Van Steenburgh, Jr.; Leon R.
Address:
Estes Park, CO
No. of patents:
9
Patents:












Patent Number Title Of Patent Date Issued
6314749 Self-clearing vacuum pump with external cooling for evacuating refrigerant storage devices and s November 13, 2001
A method and system for fully evacuating refrigerant from storage devices, appliances, and refrigerant systems. An evacuation system is provided with a vacuum pump including a housing containing an electric motor positioned with its stator in heat conductive contact with the inner surfac
5551249 Liquid chiller with bypass valves September 3, 1996
A liquid chiller refrigeration system with two bypass valves (a condenser bypass valve and a vapor bypass valve), a chiller control valve downstream from the vapor bypass valve, and a remote condenser in addition to a primary heat reclaim condenser so that the recovered heat may be direc
5465590 Refrigerant reclaim with air purge November 14, 1995
A refrigerant reclaim system including an automatic air purge system. The refrigerant reclaim system has an evaporator, oil separator, compressor, condenser, storage tank, and a filter-drier. An improvement relates to an automatic air purge system having an evaporator to concentrate
5291743 Refrigerant reclaim with automatic air purge March 8, 1994
A refrigerant reclaim system including an automatic air purge system. The refrigerant reclaim system has an evaporator, oil separator, compressor, condenser, storage tank, and a filter-drier. An improvement relates to an automatic air purge system having an evaporator to concentrate
5245840 Refrigerant reclaim method and apparatus September 21, 1993
A refrigerant reclaim method and apparatus is described wherein a separate primary refrigeration pathway is utilized to drive refrigerant to be reclaimed through a secondary refrigeration pathway. The primary refrigeration pathway is comprised of a compressor, the hot side of a first
5176008 Refrigerant reclaim method and apparatus January 5, 1993
A refrigerant reclaim method and apparatus is described wherein a separate primary refrigeration pathway is utilized to drive refrigerant to be reclaimed through a secondary refrigeration pathway. The primary refrigeration pathway is comprised of a compressor, the hot side of a first
5072593 Refrigerant reclaim method and apparatus December 17, 1991
A refrigerant reclaim system includes a compressor, a heat exchanger, an oil separator, a condenser, a chill tank, a filter-dryer and a cooling coil in the chill tank. Refrigerant to be reclaimed is drawn through the cold side of the heat exchanger, converted to a gas which is discharged
5050401 Compact refrigerant reclaim apparatus September 24, 1991
A compact refrigerant reclaim apparatus that is capable of removing refrigerant from a refrigeration system during repairs in order to remove oil and other impurities from said refrigerant and being capable of returning the refrigerant to the refrigeration system in a clean state. Th
4998416 Refrigerant reclaim method and apparatus March 12, 1991
A refrigerant reclaim system including a compressor, a heat exchanger, an oil separator, a condenser, a chill tank, a filter-drier and a cooling coil in the chill tank. An improvement relates to means for preventing the premature destruction of the compressor pump by supplying the compre










 
 
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