Drying and gas or vapor contact with solids – Apparatus – For hair on head
Patent
1993-04-30
1994-08-30
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
For hair on head
2395811, 392379, A45D 2000
Patent
active
053415787
ABSTRACT:
A pulsed airflow generating mechanism for a blower dryer includes an elongated shaft, a stationary disc, a housing, and a spinning disc. The stationary disc is disposed over the shaft and has at least one port radially spaced from the shaft. The housing defines an elongated passageway for guiding a constant airflow therethrough. The housing rotatably mounts the shaft and stationarily mounts the disc relative to the shaft. The spinning disc is disposed over and connected to the shaft for rotation therewith relative to housing and the stationary disc. The spinning disc is located upstream of the stationary disc relative to the direction of airflow. The spinning disc has at least one aperture radially spaced from the shaft for moving intermittently into and out of registry with the port of the stationary disc to convert the constant airflow received by housing passageway into a pulsating airflow discharged from the housing passageway as the spinning disc is rotated relative to the stationary disc.
REFERENCES:
patent: 4295283 (1981-10-01), Tomaro
patent: 5054211 (1991-10-01), Shulman
patent: 5121463 (1992-06-01), Yoshihara
patent: 5157757 (1992-10-01), McDougall
patent: 5161317 (1992-11-01), McDougall
Bennet Henry A.
Flanagan John R.
Horn J. A.
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