| 摘要 |
Disclosed herein is a one-way filter drier comprising a cartridge having an inlet and an outlet, a molecular sieve being provided inside the cartridge, a first filter sheet being provided between the molecular sieve and the outlet, a spring and a second filter sheet being provided between the inlet and the molecular sieve in sequence, wherein at least one piece of third filter sheet is provided in the spring. In the one-way filter drier provided by the present application, the third filter sheet is provided in the spring, the refrigerant still has relative large flowing space after entering via the inlet, which may ensure the requirement of the fluid flux; at the same time, the third filter sheet combining with the first filter sheet and the second filter sheet may maximize the filter capacity.
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