Air conditioning system which can be used in an electric car

Details Air conditioning system which can be used in an electric car Air conditioning system which can be used in an electric car

1994-09-30

1995-12-26

Wayner, William E.

Refrigeration

Time or program actuator

62 90, 621964, F25B 4100, F25B 1900

Patent

active

054777003

ABSTRACT:
In order to perform a heating operation with the correct quantity of coolant at all times by retaining an approximately fixed quantity of coolant in a main condenser during the initial stage of a heating operation in an air conditioning system, a first valve is opened and, at the same time, a second valve is closed before executing the heating operation to run the cooling/heating cycle as a cooling cycle for a specific length of time. Then, after opening a bypass passage by opening the second valve, the first valve is closed to close off the passage leading to the main condenser to start the heating cycle. As a result, a fixed quantity of coolant can always be retained within the main condenser, realizing the operation of a heating cycle with a correct coolant quantity.

REFERENCES:
patent: 3017162 (1962-01-01), Haines et al.
patent: 5355689 (1994-10-01), Hara et al.
patent: 5388421 (1995-02-01), Matsuoka
patent: 5404729 (1995-04-01), Matsuoka et al.

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