Ventilators

Details Ventilators Ventilators

1976-07-07

1978-02-14

Wayner, William E.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

98 97, 13761411, F24F 700

Patent

active

040732240

ABSTRACT:
A ventilator comprises upper and lower bars spaced apart by spacer members to provide a ventilation aperture, and a pair of flaps hinged to respective ones of said upper and lower bars by operating means which when operated in one direction causes the flaps to close the opposite sides of said ventilation aperture and when operated in the opposite direction causes the flaps to open the respective opposite sides of the said aperture.

REFERENCES:
patent: 418193 (1889-12-01), Kolzem
patent: 821510 (1906-05-01), Knox
patent: 2456340 (1948-12-01), Tideman
patent: 3275031 (1966-08-01), Alyea et al.
patent: 3320869 (1967-05-01), Schach
patent: 3411254 (1968-11-01), Kessler
patent: 3433295 (1969-03-01), Avery
patent: 3584413 (1971-06-01), Abrami
patent: 3785272 (1974-01-01), McNabney et al.
patent: 3811369 (1974-05-01), Ruegg

Affiliated with

Also associated with

Rating

Ventilators does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ventilators, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ventilators will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-519624