Steam and fuel oil supply and purge valve with cooling steam feature

Patent · Tue Sep 17 04:00:00 EDT 1991

OSTI ID:5668986

Buchanan, B F; Buchanan, J R

This patent describes a steam and fuel oil supply and purge valve. It comprises a valve body defining steam and oil inlet ports, at least one discharge port, a steam purge passageway interconnecting the steam inlet and discharge ports, an oil supply passageway interconnecting the oil inlet and discharge ports, a cooling steam passageway interconnecting the steam inlet and discharge ports, a steam valve and actuator member movable between first, second, third, and fourth positions in the valve body and operable to open and close the steam purge and cooling steam passageways, a small metering passageway in the steam valve and actuator member which is so dimensioned and located as to open prior to full opening movement of the valve member and actuator relative to its seat, an oil valve member movable between first and second positions to open and close the oil supply passageway, biasing means urging the oil valve member toward its second and closed positions, the steam valve and actuator member in its first and second positions respectively closing and opening the steam purge passageway.

• Assignee: ITT Corp., New York, NY (United States)
• Patent Number(s): A; US 5048563
• Application Number: PPN: US 7-493217
• OSTI ID: 5668986
• Country of Publication: United States
• Language: English

Related Subjects

20 FOSSIL-FUELED POWER PLANTS
200101 -- Fossil-Fueled Power Plants-- Cooling & Heat Transfer Equipment & Systems
200104* -- Fossil-Fueled Power Plants-- Components
BOILERS
CONTROL EQUIPMENT
COOLING SYSTEMS
EQUIPMENT
FLOW REGULATORS
STEAM GENERATORS
VALVES
VAPOR GENERATORS