Air outlet device

Details Air outlet device Air outlet device

1988-04-13

1989-06-20

Joyce, Harold

Valves and valve actuation

Rotary valves

Ball valve

98 411, 251306, B60H 126

Patent

active

048401145

ABSTRACT:
An air outlet device is to grant in its closing position a tight closing e from whistling noises. This is to be achieved by simple means and despite component tolerances. For this purpose longitudinal gaps formed between a closure flap and seat edges before the closing process narrow towards that end of the closure flap which is remote from the actuating part. During the closing movement the closure flap is distorted elastically so that the longitudinal gaps close at first in the sections remote from the actuating part.

REFERENCES:
patent: 2058996 (1936-10-01), Kollberg
patent: 2817489 (1957-12-01), Hesmer
patent: 3990674 (1976-11-01), Schattenberg
patent: 4281817 (1981-08-01), Adams et al.
patent: 4634094 (1987-01-01), Geiser

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