Proportional mix system and method for applying a thixotropic de

Details Proportional mix system and method for applying a thixotropic de Proportional mix system and method for applying a thixotropic de

1979-12-04

1982-06-08

Reeves, Robert B.

Fluid sprinkling, spraying, and diffusing

Processes

Including heating or cooling

239131, B05B 124

Patent

active

043336078

ABSTRACT:
A method and apparatus is disclosed for de-icing aircraft with hot water alone or with a mixture of hot water and a thixotropic de-icing fluid. The apparatus includes a centrifugal de-icing pump which is driven through a clutch only when de-icing fluid is being used thereby minimizing detrimental shear to the thixotropic fluid which shear causes fluid breakdown and reduction of viscosity. Several flow and pressure responsive controls are provided to control the engaging the disengaging of the clutch.
The de-icing step may be followed by an anti-icing step if needed.

REFERENCES:
patent: 2938509 (1960-05-01), Carbonero
patent: 3243123 (1966-03-01), Inghram et al.
patent: 4032090 (1977-06-01), Trump
patent: 4073437 (1978-02-01), Trump
patent: 4118151 (1978-10-01), Murakami
patent: 4191348 (1980-03-01), Holwerda

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