Energy saver sliding door closer including a valved weight

Patent · Tue Mar 17 04:00:00 EST 1987

OSTI ID:6661025

Kinsey, K M; Talton, T E; Lay, R L

An energy saver door closer is described comprising: an elongated housing; a weight having a bore extending from the top of the weight and a passage from the lower end of the bore to the exterior thereof; a valve seat in the bore above the passage; sealing means for sealing the interior of the housing and the exterior of the weight above the passage; a valve means for completely closing the upper end of the bore; biasing means urging the valve means to an open position; a cable connected to the valve means and extending upwardly therefrom; port means in the lower end of the housing permitting air to flow in or out of the housing below the weight.

• Assignee: NOV; EDB-87-080723; NOV-87-053405
• Patent Number(s): US 4649598
• OSTI ID: 6661025
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320107* -- Energy Conservation
Consumption
& Utilization-- Building Systems-- (1987-)
AIR FLOW
BUILDINGS
CABLES
CONTROL EQUIPMENT
DOORS
ENERGY CONSERVATION
EQUIPMENT
FASTENERS
FLOW REGULATORS
FLUID FLOW
GAS FLOW
MECHANICAL STRUCTURES
OPENINGS
SEALS
SUPPORTS
VALVES