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US 11,598,553 B2Granted
Filter, manufacturing method for filter and air conditioner
OwnerTiegang Zhang, Yongfeng Xu +4inventors
InventorsTiegang Zhang, Yongfeng Xu, Tongbing Lao, Yandong Wu, Shiqiang He, Chunlei Cui
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Abstract
A filter, a manufacturing method for a filter, and an air conditioner are provided. The filter includes a casing (10), a transition tube (20), and a filter screen assembly (30). The filter screen assembly (30) is provided in the casing (10), fitted with and connected to an inner wall of the casing (10), the casing (10) is an integrally formed piece, and two axial ends of the casing (10) have neck sections (11), and two neck sections (11) are both fixedly connected to the transition tube (20).
Claims13
A filter, comprising:
- a casing;
- a transition tube;
- and
- a filter screen assembly provided in the casing, fitted with and connected to an inner wall of the casing, the casing being an integrally formed piece, two axial ends of the casing have neck sections, and two neck sections being fixedly connected to the transition tube;
- wherein at least one annular groove sunken towards the inner wall of the casing is defined on an outer wall of the casing by punching, the inner wall of the casing is provided with an annular protrusion protruding out at a position corresponding to the annular groove, and the filter screen assembly is connected to the annular protrusion by snapping.
2 more elements
Dependencies are inferred from the claim text.