Exhaust valve for blood pressure measuring apparatus

Details Exhaust valve for blood pressure measuring apparatus Exhaust valve for blood pressure measuring apparatus

1989-01-18

1990-04-10

Rosenthal, Arnold

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

251273, 251278, 251321, 251903, F16K 138, F16K 3150

Patent

active

049153480

ABSTRACT:
An exhaust valve (10), particularly for a blood pressure measuring apparatus, comprising a valve seat (31) disposed along the course of an outlet channel in a valve housing (11) and oriented toward the pressure side of the valve. A valve body (25) having the form of a slender conical frustum arranged on the pressure side of the valve seat (31) cooperates with the valve seat. Valve body (25) is urged against the valve seat (31) by a closing spring (27). To facilitate controlled release of an elevated pressure contained by the valve, a screw cap (37) is arranged on the valve housing (11) along the axial projection line of the valve body (25), and the valve body (25) is connected to the screw cap (37) through a support bearing (43). A two-stage steep thread (44,45) is provided between the screw cap (37) and the valve housing (11).

REFERENCES:
patent: 877875 (1908-01-01), van Nostran
patent: 1268316 (1918-06-01), Bergens
patent: 2452956 (1948-11-01), Robins
patent: 4013265 (1977-03-01), Speidel
patent: 4200259 (1980-04-01), Ueda

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