ZA707992B - Bidirectional hydrodynamic shaft seal - Google Patents
Bidirectional hydrodynamic shaft sealInfo
- Publication number
- ZA707992B ZA707992B ZA707992A ZA707992A ZA707992B ZA 707992 B ZA707992 B ZA 707992B ZA 707992 A ZA707992 A ZA 707992A ZA 707992 A ZA707992 A ZA 707992A ZA 707992 B ZA707992 B ZA 707992B
- Authority
- ZA
- South Africa
- Prior art keywords
- shaft seal
- hydrodynamic shaft
- bidirectional hydrodynamic
- bidirectional
- seal
- Prior art date
Links
- 230000002457 bidirectional effect Effects 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3244—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4014470A | 1970-05-25 | 1970-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA707992B true ZA707992B (en) | 1971-08-25 |
Family
ID=21909361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA707992A ZA707992B (en) | 1970-05-25 | 1970-11-25 | Bidirectional hydrodynamic shaft seal |
Country Status (9)
Country | Link |
---|---|
US (1) | US3672690A (fr) |
BE (1) | BE760470A (fr) |
DE (1) | DE2101658C3 (fr) |
ES (1) | ES386403A1 (fr) |
FR (1) | FR2092350A5 (fr) |
GB (1) | GB1294300A (fr) |
NL (1) | NL140043B (fr) |
SE (1) | SE381324B (fr) |
ZA (1) | ZA707992B (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2206461C2 (de) * | 1972-02-11 | 1983-11-17 | Fa. Carl Freudenberg, 6940 Weinheim | Radiallippendichtung |
US3873104A (en) * | 1972-03-08 | 1975-03-25 | Int Packaging Corp | Seal |
US3929340A (en) * | 1972-04-24 | 1975-12-30 | Chicago Rawhide Mfg Co | Seal with pumping action |
US3868105A (en) * | 1972-10-10 | 1975-02-25 | Federal Mogul Corp | Bidirectional hydrodynamic shaft seal |
US4174845A (en) * | 1974-08-15 | 1979-11-20 | Repco Research Proprietary Limited | Fluid seal |
US3984113A (en) * | 1975-01-17 | 1976-10-05 | Federal-Mogul Corporation | Bidirectional hydrodynamic polytetrafluoroethylene seal |
US4336945A (en) * | 1977-03-18 | 1982-06-29 | Cr Industries | Sinuous seal with auxiliary excluder lips |
DE2949839C2 (de) * | 1979-12-12 | 1983-05-26 | Fa. Carl Freudenberg, 6940 Weinheim | Dichtring |
DE3830706A1 (de) * | 1988-09-09 | 1990-03-22 | Freudenberg Carl Fa | Wellendichtung |
US5271629A (en) * | 1990-04-14 | 1993-12-21 | Firma Carl Freudenberg | Radial shaft sealing ring |
US5692757A (en) * | 1994-07-19 | 1997-12-02 | Mather Seal Company | Bidirectional shaft seal with intersecting spiral grooves |
CA2152737C (fr) * | 1995-03-03 | 2001-11-20 | David E. Johnston | Joint d'etancheite permettant une circulation bidirectionnelle du fluide |
JP2002147517A (ja) * | 2000-11-08 | 2002-05-22 | Showa Corp | 油圧緩衝器のオイルシール |
DE10222418A1 (de) * | 2002-05-21 | 2003-12-18 | Bruss Dichtungstechnik | Wellendichtring |
DE10313162B4 (de) * | 2003-03-25 | 2013-02-28 | Kaco Gmbh + Co. Kg | Dichtring |
DE102014007968A1 (de) * | 2014-06-04 | 2015-12-17 | Carl Freudenberg Kg | Anordnung mit einem Radialwellendichtring mit sinusförmig geschwungener Dichtkante |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR652389A (fr) * | 1928-04-07 | 1929-03-07 | Obturateur pour boîtes d'essieux et paliers d'arbres animés d'un mouvement de rotation dans les deux sens | |
DE729128C (de) * | 1938-02-27 | 1942-12-10 | Freudenberg Carl Fa | Aus elastischem Werkstoff bestehende Dichtung fuer umlaufende Wellen oder hin und her gehende Stangen |
US2446380A (en) * | 1945-04-12 | 1948-08-03 | Ohio Rubber Co | Fluid seal |
US2985551A (en) * | 1957-07-15 | 1961-05-23 | Superweld Corp | Method of and means for heat processing metal in an inert atmosphere |
FR1342278A (fr) * | 1962-09-26 | 1963-11-08 | Profil autodéflecteur pour joints d'étanchéité | |
GB1182427A (en) * | 1966-07-07 | 1970-02-25 | Angus George Co Ltd | Improvements in and relating to Shaft Seals |
GB1182426A (en) * | 1966-07-07 | 1970-02-25 | Angus George Co Ltd | Improvements in and relating to Shaft Seals |
US3515395A (en) * | 1966-09-06 | 1970-06-02 | Gen Motors Corp | Unidirectional pumping seal |
US3534969A (en) * | 1966-09-27 | 1970-10-20 | Gen Motors Corp | Seal |
US3504919A (en) * | 1966-10-25 | 1970-04-07 | Angus George Co Ltd | Shaft seals |
US3561770A (en) * | 1968-10-07 | 1971-02-09 | Federal Mogul Corp | Shaft seal |
NL6915900A (fr) * | 1968-10-31 | 1970-05-04 |
-
1970
- 1970-05-25 US US40144A patent/US3672690A/en not_active Expired - Lifetime
- 1970-11-16 GB GB54464/70A patent/GB1294300A/en not_active Expired
- 1970-11-25 ZA ZA707992A patent/ZA707992B/xx unknown
- 1970-11-26 NL NL707017268A patent/NL140043B/xx not_active IP Right Cessation
- 1970-12-12 ES ES386403A patent/ES386403A1/es not_active Expired
- 1970-12-17 BE BE760470A patent/BE760470A/fr not_active IP Right Cessation
-
1971
- 1971-01-14 DE DE712101658A patent/DE2101658C3/de not_active Expired
- 1971-01-29 FR FR7103133A patent/FR2092350A5/fr not_active Expired
- 1971-05-24 SE SE7106679A patent/SE381324B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7017268A (fr) | 1971-11-29 |
DE2101658C3 (de) | 1979-03-01 |
SE381324B (sv) | 1975-12-01 |
NL140043B (nl) | 1973-10-15 |
BE760470A (fr) | 1971-06-17 |
DE2101658B2 (de) | 1973-07-26 |
DE2101658A1 (de) | 1971-12-02 |
US3672690A (en) | 1972-06-27 |
ES386403A1 (es) | 1973-03-16 |
GB1294300A (en) | 1972-10-25 |
FR2092350A5 (fr) | 1972-01-21 |
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