PL406644A1 - Multi-stage sealing with magnetic fluid - Google Patents

Multi-stage sealing with magnetic fluid

Info

Publication number
PL406644A1
PL406644A1 PL406644A PL40664413A PL406644A1 PL 406644 A1 PL406644 A1 PL 406644A1 PL 406644 A PL406644 A PL 406644A PL 40664413 A PL40664413 A PL 40664413A PL 406644 A1 PL406644 A1 PL 406644A1
Authority
PL
Poland
Prior art keywords
section
flange
bushes
magnetic fluid
pole pieces
Prior art date
Application number
PL406644A
Other languages
Polish (pl)
Other versions
PL225290B1 (en
Inventor
Leszek Matuszewski
Original Assignee
Politechnika Gdańska
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 Politechnika Gdańska filed Critical Politechnika Gdańska
Priority to PL406644A priority Critical patent/PL225290B1/en
Publication of PL406644A1 publication Critical patent/PL406644A1/en
Publication of PL225290B1 publication Critical patent/PL225290B1/en

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

Abstract

Przedmiotem wynalazku jest uszczelnienie wielostopniowe z cieczą magnetyczną, zawierające tulejki kołnierzowe, wielokrawędziowe nabiegunniki, magnesy trwałe spolaryzowane osiowo i ciecz magnetyczną, w którym wielokrawędziowe nabiegunniki (3) w kształcie tulejek kołnierzowych o przekroju poprzecznym teowym mają występy uszczelniające wykonane na powierzchniach walcowych kołnierzy (3a), a na tulejkach kołnierzowych (4), również o przekroju poprzecznym teowym umieszczone są magnesy trwałe (5), (6), przylegające do bocznych powierzchni kołnierzy (4a) oraz wielokrawędziowe nabiegunniki (7) o przekroju poprzecznym prostokątnym, przylegające do magnesów (5), (6). Ciecz magnetyczna (8) znajduje się w pierścieniowych szczelinach, utworzonych pomiędzy występami uszczelniającymi nabiegunników (3) o przekroju teowym, a walcowymi powierzchniami kołnierzy (4a) tulejek (4) o przekroju teowym oraz w pierścieniowych szczelinach pomiędzy występami uszczelniającymi nabiegunników (7) o przekroju prostokątnym, a odpowiednimi powierzchniami walcowymi nabiegunników (3) o przekroju teowym.The subject of the invention is a multi-stage seal with magnetic fluid, comprising flange bushes, polygonal pole shoes, axially polarized permanent magnets and a magnetic liquid, in which polygonal pole shoes (3) in the shape of flange bushes with a T-cross section have sealing projections on cylindrical flanges (3a) and permanent flange magnets (5), (6), adjacent to the flange side surfaces (4a) and multi-edge pole pieces (7) with rectangular cross section, adjacent to magnets (5), are also placed on the flange bushes (4). ), (6). The magnetic fluid (8) is located in the annular gaps formed between the sealing protrusions of the pole pieces (3) with a T-section and the cylindrical surfaces of the flanges (4a) of the bushes (4) with the T-shaped cross-section and in the annular gaps between sealing lips of the pole pieces (7) rectangular, and corresponding cylindrical surfaces of pole pieces (3) with T-section.

PL406644A 2013-12-23 2013-12-23 Multi-stage sealing with magnetic fluid PL225290B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL406644A PL225290B1 (en) 2013-12-23 2013-12-23 Multi-stage sealing with magnetic fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL406644A PL225290B1 (en) 2013-12-23 2013-12-23 Multi-stage sealing with magnetic fluid

Publications (2)

Publication Number Publication Date
PL406644A1 true PL406644A1 (en) 2015-07-06
PL225290B1 PL225290B1 (en) 2017-03-31

Family

ID=53492703

Family Applications (1)

Application Number Title Priority Date Filing Date
PL406644A PL225290B1 (en) 2013-12-23 2013-12-23 Multi-stage sealing with magnetic fluid

Country Status (1)

Country Link
PL (1) PL225290B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL241444B1 (en) * 2017-10-10 2022-10-03 Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie Hybrid sealing of a shaft

Also Published As

Publication number Publication date
PL225290B1 (en) 2017-03-31

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