JPS5729856A - Screw seal - Google Patents

Screw seal

Info

Publication number
JPS5729856A
JPS5729856A JP10114080A JP10114080A JPS5729856A JP S5729856 A JPS5729856 A JP S5729856A JP 10114080 A JP10114080 A JP 10114080A JP 10114080 A JP10114080 A JP 10114080A JP S5729856 A JPS5729856 A JP S5729856A
Authority
JP
Japan
Prior art keywords
cone
shaft
fixed housing
screw
screw seal
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.)
Pending
Application number
JP10114080A
Other languages
Japanese (ja)
Inventor
Muneo Mizumoto
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP10114080A priority Critical patent/JPS5729856A/en
Publication of JPS5729856A publication Critical patent/JPS5729856A/en
Pending legal-status Critical Current

Links

Landscapes

  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

PURPOSE: To improve sealing performance much more by providing screw ends one or both of a cone-shaped portion of a shaft and that of a fixed housing.
CONSTITUTION: A fixed housing 4 has a cone-shaped hole 4a, whose inner circumference face is provided with screw grooves 5. The screw grooves are set in such a way that each lead in their shaft direction has a fixed value l. A shaft 6, having a cone-shaped part 6a, in inserted so as to keep a minute space with the fixed housing 4.
COPYRIGHT: (C)1982,JPO&Japio
JP10114080A 1980-07-25 1980-07-25 Screw seal Pending JPS5729856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10114080A JPS5729856A (en) 1980-07-25 1980-07-25 Screw seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10114080A JPS5729856A (en) 1980-07-25 1980-07-25 Screw seal

Publications (1)

Publication Number Publication Date
JPS5729856A true JPS5729856A (en) 1982-02-17

Family

ID=14292769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10114080A Pending JPS5729856A (en) 1980-07-25 1980-07-25 Screw seal

Country Status (1)

Country Link
JP (1) JPS5729856A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104358869A (en) * 2014-11-17 2015-02-18 苏州瑞邦塑胶有限公司 Expansion type sealing ring
WO2017013922A1 (en) * 2015-07-17 2017-01-26 株式会社荏原製作所 Non-contact annular seal and rotary machine provided with same
CN111532580A (en) * 2020-03-30 2020-08-14 遵义宏港机械有限公司 Matching sealing structure and operation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104358869A (en) * 2014-11-17 2015-02-18 苏州瑞邦塑胶有限公司 Expansion type sealing ring
WO2017013922A1 (en) * 2015-07-17 2017-01-26 株式会社荏原製作所 Non-contact annular seal and rotary machine provided with same
CN107850221A (en) * 2015-07-17 2018-03-27 株式会社荏原制作所 Non-contact annular seal and the rotating machinery for possessing the non-contact annular seal
CN111532580A (en) * 2020-03-30 2020-08-14 遵义宏港机械有限公司 Matching sealing structure and operation method thereof

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