JPS56150672A - Floating seal - Google Patents

Floating seal

Info

Publication number
JPS56150672A
JPS56150672A JP5360080A JP5360080A JPS56150672A JP S56150672 A JPS56150672 A JP S56150672A JP 5360080 A JP5360080 A JP 5360080A JP 5360080 A JP5360080 A JP 5360080A JP S56150672 A JPS56150672 A JP S56150672A
Authority
JP
Japan
Prior art keywords
seal
ring
pressure
prevent
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5360080A
Other languages
Japanese (ja)
Other versions
JPS6018869B2 (en
Inventor
Masami Wada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP5360080A priority Critical patent/JPS6018869B2/en
Publication of JPS56150672A publication Critical patent/JPS56150672A/en
Publication of JPS6018869B2 publication Critical patent/JPS6018869B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Mechanical Sealing (AREA)

Abstract

PURPOSE: To prevent the pressure receiving surface of a seal ring from increasing and prevent the seizure due to the increased surface pressure by a method wherein stopper rings to regulate the movement of O-rings sealing between two pressure chambers are provided.
CONSTITUTION: The floating seal consists of seal rings 1 and seal covers 2 equipped as a pair respectively at each side of sealing units I and II with O-ring 3s installed respectively between the tapered surface of the seal ring and that of the seal cover. The movement of the O-ring 3 is regulated by the stopper ring 14 provided at the surface Q of the seal cover 2 to prevent the pressure receiving surface X from increasing and, as a result, the sealing surface pressure Fp is maintained at a proper value to prevent the lubricating oil from running short. Further, the size of the pressure receiving surface X can be changed freely by changing the thickness Y of the stopper ring 14 to adjust the surface pressure Fp in accordance with the capacity of the sealing surface.
COPYRIGHT: (C)1981,JPO&Japio
JP5360080A 1980-04-24 1980-04-24 floating seal Expired JPS6018869B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5360080A JPS6018869B2 (en) 1980-04-24 1980-04-24 floating seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5360080A JPS6018869B2 (en) 1980-04-24 1980-04-24 floating seal

Publications (2)

Publication Number Publication Date
JPS56150672A true JPS56150672A (en) 1981-11-21
JPS6018869B2 JPS6018869B2 (en) 1985-05-13

Family

ID=12947364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5360080A Expired JPS6018869B2 (en) 1980-04-24 1980-04-24 floating seal

Country Status (1)

Country Link
JP (1) JPS6018869B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58149654U (en) * 1982-04-01 1983-10-07 イ−グル工業株式会社 Flexible shaft following shaft sealing device for high pressure
JPS5937465U (en) * 1982-09-03 1984-03-09 株式会社小松製作所 Floating seal device
JPS59139657U (en) * 1983-03-08 1984-09-18 三菱重工業株式会社 Shaft sealing device
JP2018200078A (en) * 2017-05-29 2018-12-20 日立建機株式会社 Mechanical seal device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2024084936A1 (en) 2022-10-17 2024-04-25

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58149654U (en) * 1982-04-01 1983-10-07 イ−グル工業株式会社 Flexible shaft following shaft sealing device for high pressure
JPS5937465U (en) * 1982-09-03 1984-03-09 株式会社小松製作所 Floating seal device
JPS59139657U (en) * 1983-03-08 1984-09-18 三菱重工業株式会社 Shaft sealing device
JP2018200078A (en) * 2017-05-29 2018-12-20 日立建機株式会社 Mechanical seal device

Also Published As

Publication number Publication date
JPS6018869B2 (en) 1985-05-13

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