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US 9,803,650 B2Granted
Sealing device
AssigneeHanwha Techwin Co., Ltd.
InventorKarl D. Wygant
Life of this patent
Estimating the term…
Abstract
Provided is a sealing device including: an impeller configured to rotate; a casing including a groove portion in a surface facing the impeller; a floating ring configured to float between the casing and the impeller and configured to be inserted into the groove portion; and a centering ring provided inside the groove portion and provided between the casing and the floating ring.
Claims7
A sealing device comprising:
- an impeller configured to rotate;
- a casing configured to contact the impeller and comprising a groove portion on a surface facing the impeller;
- a floating ring configured to float between the casing and the impeller, the floating ring comprising a protruding portion configured to be inserted into the groove portion;
- a centering ring provided inside the groove portion and provided between the casing and the protruding portions;
- and
- a retaining ring coupled to the casing, the retaining ring contacting a surface of the protruding portion inserted into the groove portion,
- wherein the retaining ring is provided in an opposite side to a surface of the floating ring that contacts the casing, and the retaining ring is provided to cover the groove portion in order that the centering ring remains inside the groove portion.
4 more elements
Dependencies are inferred from the claim text.