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US 2021/0003221 A1Published application
Mechanical seal
AssigneeEagle Industry Co., Ltd.
InventorsTadahiro KIMURA, Yasuhiro IKEDA, Masamitsu SANADA, Masatoshi ITADANI
Life of this patent
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Abstract
A mechanical seal capable of preventing charge accumulation on a rotary shaft includes a fixed sealing element which is held at an inner periphery of housing members of machines to be installed and has at least a fixed seal ring, and a rotating sealing element which is held at an outer periphery of a rotary shaft rotatably supported in the housing members and has at least a rotating seal ring. A conductive element is provided between the fixed sealing element 10 and the rotary shaft or a rotary shaft member fixed to the rotary shaft.
Claims20
A mechanical seal comprising:
- a fixed sealing element including at least a fixed seal ring and held at an inner periphery of a housing of a machine in which the mechanical seal is to be installed;
- and
- a rotating sealing element including at least a rotating seal ring and held at an outer periphery of a rotary shaft rotatably supported in the housing, wherein
- a conductive element is provided between the fixed sealing element and the rotary shaft or a rotary shaft member fixed to the rotary shaft.
1 more element
Dependencies are inferred from the claim text.