Improved valve and dash-pot assembly

Patent · Tue Apr 23 00:00:00 EST 1985

OSTI ID:5582253

Chang, S C

A dash-pot valve comprises a cylinder submerged in the fluid of a housing and have a piston attached to a plunger projecting into the path of closing movement of a pivotal valve member. A vortex chamber in said cylinder is provided with targentially directed inlets to generate vortex flow upon retraction of said plunger and effect increasing resistance against said piston to progressively retard the closing rate of said valve member toward its seat.

• Research Organization: Hanford Engineering Development Lab., Richland, WA (United States)
• DOE Contract Number: AC06-76FF02170
• Assignee: Dept. of Energy
• Application Number: ON: DE86013809
• OSTI ID: 5582253
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
VALVES
DESIGN
CONTROL EQUIPMENT
EQUIPMENT
FLOW REGULATORS
420200* - Engineering- Facilities
Equipment
& Techniques