Method and apparatus for preventing ice formation at the entranc

Details Method and apparatus for preventing ice formation at the entranc Method and apparatus for preventing ice formation at the entranc

1978-11-15

1981-02-10

Yuen, Henry C.

Heat exchange

With valve or movable deflector for heat exchange fluid flow

With by-pass of heat exchanger or heat exchanger section

98 36, 165DIG12, E21F 100

Patent

active

042494621

ABSTRACT:
To prevent the formation of ice at the inlet portal of a mine and to heat air during the winter season, air is heated and forced into the mine shaft near the entrance portal at a pressure greater than atmospheric.

REFERENCES:
patent: 906872 (1908-03-01), Groling
patent: 1185453 (1916-05-01), Walker
patent: 1280254 (1918-10-01), Lide
patent: 1586660 (1926-06-01), Dodds
patent: 2152172 (1939-03-01), Bartlett
patent: 2523273 (1946-10-01), Blundell
patent: 2859682 (1958-11-01), Joy
patent: 3687053 (1972-08-01), Henson et al.
patent: 4119142 (1978-10-01), Margen

Affiliated with

Also associated with

Rating

Method and apparatus for preventing ice formation at the entranc does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for preventing ice formation at the entranc, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for preventing ice formation at the entranc will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1660653