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US 5,509,972 AGranted
Air-conditioner cleaning method
OwnerYasumasa Akazawa, Taiko Kitai +2inventors
InventorsYasumasa Akazawa, Taiko Kitai, Katsuyuki Sasaki, Takeo Karashima
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OwnerYasumasa Akazawa, Taiko Kitai +2inventors
InventorsYasumasa Akazawa, Taiko Kitai, Katsuyuki Sasaki, Takeo Karashima
Estimating the term…
The invention relates to cleaning method and cleaning apparatus of air-conditioner used in the operation for cleaning and removing the contamination of the heat exchanger (condenser, evaporator) for composing an air-conditioner, for example, one-package type air-conditioner and separate type air-conditioner, and more particularly to an air-conditioner cleaning method and its cleaning apparatus capable of securely cleaning and removing the dirt sticking to the heat exchanger to the deepest parts, by keeping the open side of the spraying guide body in contact with the cleaning parts of the heat exchanger for composing an air-conditioner, connecting detergent feed means to the closed side of the spraying guide body through an injection pipe, spraying the detergent supplied from the detergent feed means to the area enclosed by the spraying guide body, and cleaning and removing the dirt sticking to the heat exchanger by the foamy detergent, while preventing splash-back of the detergent.
A method of cleaning cooling fins and pipes of an air-conditioner, said cooling fins and pipes forming an open surface to atmosphere, said method comprising the steps of
Dependencies are inferred from the claim text.