JPS534206A - Ventilator-shaft sealing system - Google Patents

Ventilator-shaft sealing system

Info

Publication number
JPS534206A
JPS534206A JP7556777A JP7556777A JPS534206A JP S534206 A JPS534206 A JP S534206A JP 7556777 A JP7556777 A JP 7556777A JP 7556777 A JP7556777 A JP 7556777A JP S534206 A JPS534206 A JP S534206A
Authority
JP
Japan
Prior art keywords
ventilator
sealing system
shaft sealing
ventilators
rotary shaft
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
JP7556777A
Other languages
Japanese (ja)
Inventor
Takashi Miura
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 JP7556777A priority Critical patent/JPS534206A/en
Publication of JPS534206A publication Critical patent/JPS534206A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: To seal the shaft of ventilators without using packing seals with a complicated construction by providing a small room in the rotary shaft of the ventilators and the through part of an outer casing and small blades for obtaining a slightly lower pressure than atmospheric pressure on the same rotary shaft.
COPYRIGHT: (C)1978,JPO&Japio
JP7556777A 1977-06-27 1977-06-27 Ventilator-shaft sealing system Pending JPS534206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7556777A JPS534206A (en) 1977-06-27 1977-06-27 Ventilator-shaft sealing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7556777A JPS534206A (en) 1977-06-27 1977-06-27 Ventilator-shaft sealing system

Publications (1)

Publication Number Publication Date
JPS534206A true JPS534206A (en) 1978-01-14

Family

ID=13579876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7556777A Pending JPS534206A (en) 1977-06-27 1977-06-27 Ventilator-shaft sealing system

Country Status (1)

Country Link
JP (1) JPS534206A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62188595U (en) * 1986-05-22 1987-12-01
JPS63205498A (en) * 1987-02-19 1988-08-24 サ−モカタリチツク　コ−ポレ−シヨン Air blower
JPH03294698A (en) * 1990-04-10 1991-12-25 Shinku Giken Kogyo Kk Leakage gas exhausting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62188595U (en) * 1986-05-22 1987-12-01
JPS63205498A (en) * 1987-02-19 1988-08-24 サ−モカタリチツク　コ−ポレ−シヨン Air blower
JPH03294698A (en) * 1990-04-10 1991-12-25 Shinku Giken Kogyo Kk Leakage gas exhausting device

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