Delivery stabilizer for ventilation shaft

Details Delivery stabilizer for ventilation shaft Delivery stabilizer for ventilation shaft

1980-09-29

1982-06-29

Weakley, Harold W.

Automatic temperature and humidity regulation

Thermostatic

With pressure control

236 93R, 236101A, 236101D, 138 46, 137468, 137500, 137504, 137843, G05D 2700

Patent

active

043369049

ABSTRACT:
A bladder, suitably formed of silicone rubber and molded into a cylindrical shape, is provided internally with a deforming spring. The resultant unit serves as a delivery stabilizer for a ventilation shaft without loss of elasticity of the bladder.

REFERENCES:
patent: 3353560 (1967-11-01), McCulloch
patent: 3384113 (1968-05-01), Pennisi
patent: 3432139 (1969-03-01), Jentott
patent: 3958605 (1976-05-01), Nishizu

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