FILTER SCRAPER
First Claim
Patent Images
1. A filter apparatus, comprising:
- a filter element including a filter body with an external surface enclosing a filter passage, the filter body including a first end, an opposite second end, and a longitudinal length extending between the first end and the second end;
a scraper element disposed about the external surface and configured to move along the longitudinal length of the filter body.
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Abstract
A filter apparatus and method for cleaning filter elements. The filter elements, each including a filter body with an external surface enclosing a filter passage, extend along a longitudinal axis of a vessel housing. A scraper element is disposed about the external surface of each filter body and travels along the longitudinal length of the filter body via a rotational screw to remove deposits. A lower air inlet is included on the vessel to loosen deposits on the filter surfaces, such as during or prior to scraping.
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Citations
20 Claims
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1. A filter apparatus, comprising:
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a filter element including a filter body with an external surface enclosing a filter passage, the filter body including a first end, an opposite second end, and a longitudinal length extending between the first end and the second end; a scraper element disposed about the external surface and configured to move along the longitudinal length of the filter body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A filter apparatus, comprising:
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a plurality of filter elements arranged spaced apart and parallel, each of the filter elements including an external surface with a longitudinal length; a scraper device including a plurality of scraper elements, each of the scraper elements disposed about the external surface of, and configured to move and remove deposits along the longitudinal length of, a corresponding one of the filter elements. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A method of maintaining or cleaning a filter apparatus, the method comprising:
removing deposits from a filter element by running a scraper element along a longitudinal length of an external surface of the filter element, wherein the scraper element has an inner shape corresponding to an outer peripheral shape of the filter element along the longitudinal length. - View Dependent Claims (20)
Specification