Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to regulate or vary operation of device
Patent
1985-01-03
1987-06-16
Joyce, Harold
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Means to regulate or vary operation of device
47 17, 52 2, 52303, 98 32, 98 37, 98 413, 137360, 251 611, F24F 1310
Patent
active
046728880
ABSTRACT:
Expandable vent closure apparatus for a greenhouse comprising a clear inflatable mat, the opposed surfaces of which are sealed to one another to form a plurality of horizontal tubular members and a plurality of internal air passages connecting one to the other. Air means connected to the uppermost tubular section inflates the mat within a wall mounted support assembly from the top down to seal the vent opening or upon deflation to open the vent.
REFERENCES:
patent: 2354795 (1944-08-01), Castle
patent: 3151663 (1964-10-01), Bohner et al.
patent: 3359687 (1967-12-01), Wallace
patent: 3804364 (1974-04-01), DeLepeleire
patent: 3938429 (1976-02-01), Perry
patent: 3973363 (1976-08-01), LaPorte et al.
patent: 4038788 (1977-08-01), Claessens
patent: 4290242 (1981-09-01), Gregory, Jr.
patent: 4293969 (1981-10-01), Frommelt
patent: 4297813 (1981-11-01), Farrell et al.
patent: 4301626 (1981-11-01), Davis et al.
patent: 4305235 (1981-12-01), Roston
patent: 4318251 (1982-03-01), Winkler
patent: 4352259 (1982-10-01), Smith et al.
patent: 4399738 (1983-08-01), Sharkey
Crombie Terence G.
Wong Bernard K.
Gipple J. W.
Insul-Rib, Inc.
Joyce Harold
LandOfFree
Inflatable greenhouse vent cover does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Inflatable greenhouse vent cover, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Inflatable greenhouse vent cover will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-677280