IT950247B - SELF-PRESSURIZING SEAL FOR ROTATING SHAFT - Google Patents

SELF-PRESSURIZING SEAL FOR ROTATING SHAFT

Info

Publication number: IT950247B
Authority: IT; Italy
Prior art keywords: self; rotating shaft; pressurizing seal; pressurizing; seal
Prior art date: 1971-04-08

Application number

IT21917/72A

Other languages

Italian (it)

Original Assignee

Gen Electric

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.)

1971-04-08

Filing date

1972-03-16

Publication date

1973-06-20

1972-03-16 Application filed by Gen Electric filed Critical Gen Electric

1973-06-20 Application granted granted Critical

1973-06-20 Publication of IT950247B publication Critical patent/IT950247B/en

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
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
- F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
- F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Mechanical Sealing (AREA)
Sealing Devices (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

IT21917/72A 1971-04-08 1972-03-16 SELF-PRESSURIZING SEAL FOR ROTATING SHAFT IT950247B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US13248571A	1971-04-08	1971-04-08

Publications (1)

Publication Number	Publication Date
IT950247B true IT950247B (en)	1973-06-20

Family

ID=22454272

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21917/72A IT950247B (en)	1971-04-08	1972-03-16	SELF-PRESSURIZING SEAL FOR ROTATING SHAFT

Country Status (6)

Country	Link
US (1)	US3770179A (en)
JP (1)	JPS5314694B1 (en)
CA (1)	CA1005481A (en)
DE (1)	DE2216762C3 (en)
FR (1)	FR2136247A5 (en)
IT (1)	IT950247B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2408660C3 (en) *	1974-02-22	1979-08-23	Feodor Burgmann Dichtungswerk, 8190 Wolfratshausen	Double acting mechanical seal
DE2610045C2 (en) *	1976-03-11	1982-06-16	M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen	Gas-locked shaft seal
US4094512A (en) *	1976-07-14	1978-06-13	Crane Packing Limited	Shaft seals
US4058320A (en) *	1976-07-26	1977-11-15	Westinghouse Electric Corporation	Generator seal oil supply system
US4186777A (en) *	1978-10-27	1980-02-05	Deere & Company	Pressure vessel retained energy measurement system
JPS5725675U (en) *	1980-07-18	1982-02-10
JPS57169175U (en) *	1981-04-22	1982-10-25
US4491331A (en) *	1981-12-23	1985-01-01	Hughes Tool Company	Grooved mechanical face seal
US4415165A (en) *	1982-12-02	1983-11-15	The United States Of America As Represented By The Secretary Of The Navy	Integral elastomeric/graphite dynamic face seal
DE3722303A1 (en) *	1987-07-06	1989-01-19	Burgmann Dichtungswerk Feodor	MECHANICAL SEAL FOR SEALING A GASEOUS MEDIUM
DE3842451A1 (en) *	1988-12-16	1990-06-21	Burgmann Dichtungswerk Feodor	MECHANICAL SEAL
DE4028048C2 (en) *	1990-09-05	1994-12-08	Blohm Voss Ag	Sealing device for rotating shafts, in particular stern tube sealing for ship propeller shafts
US5421593A (en) *	1993-08-05	1995-06-06	Nippon Pillar Packing Co., Ltd.	Shaft seal device
DE19501900A1 (en) *	1995-01-23	1996-07-25	Klein Schanzlin & Becker Ag	Mechanical seal for boiler feed pumps
SE518871C2 (en) *	1996-11-14	2002-12-03	Flygt Ab Itt	Plan Sealing arrangements
US6623238B2 (en) *	1998-08-21	2003-09-23	Honeywell International, Inc.	Air turbine starter with seal assembly
US6446976B1 (en)	2000-09-06	2002-09-10	Flowserve Management Company	Hydrodynamic face seal with grooved sealing dam for zero-leakage
CN104235371B (en) *	2014-09-03	2016-06-15	浙江工业大学	A kind of lightning class groove end surface mechanical sealing structure
DK3265271T3 (en) *	2015-03-06	2019-11-18	Cold Jet Llc	PARTICLE FEED
CN107143517B (en) *	2017-07-19	2023-04-14	重庆水泵厂有限责任公司	Non-contact shaft seal structure for high-pressure pump
US10927960B2 (en)	2019-02-01	2021-02-23	Rolls-Royce Corporation	Mounting assembly for a ceramic seal runner
US10935142B2 (en)	2019-02-01	2021-03-02	Rolls-Royce Corporation	Mounting assembly for a ceramic seal runner
US11466584B1 (en)	2021-07-29	2022-10-11	Rolls-Royce Corporation	Ceramic runner seal assembly with compliant holder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1022865A (en) *	1911-09-07	1912-04-09	Gustav Nicolai	Hydraulic jack.
US1989548A (en) *	1932-07-18	1935-01-29	Submersible Motor Pump Co Ltd	Sealing means for shafts
US2628852A (en) *	1949-02-02	1953-02-17	Crane Packing Co	Cooling system for double seals
US3176996A (en) *	1962-10-12	1965-04-06	Barnett Leon Truman	Oil balanced shaft seal
US3334906A (en) *	1965-02-18	1967-08-08	Koppers Co Inc	Shaft seal
US3339930A (en) *	1965-03-18	1967-09-05	Borg Warner	Axially staged self-adjusting mechanical seal
US3392983A (en) *	1965-10-22	1968-07-16	Atomic Energy Commission Usa	Safety control device for use with mechanical seals
US3499653A (en) *	1968-06-05	1970-03-10	Crane Packing Co	Rotary mechanical seal of the gap type
US3587405A (en) *	1968-11-29	1971-06-28	Ltv Electrosystems Inc	Indicating and seal activating device and method
US3675935A (en) *	1970-07-13	1972-07-11	Nasa	Spiral groove seal
US3675933A (en) *	1970-09-03	1972-07-11	Crane Packing Co	Seal with installed space parts

1971
- 1971-04-08 US US00132485A patent/US3770179A/en not_active Expired - Lifetime
1972
- 1972-03-16 IT IT21917/72A patent/IT950247B/en active
- 1972-04-06 CA CA139,008A patent/CA1005481A/en not_active Expired
- 1972-04-07 DE DE2216762A patent/DE2216762C3/en not_active Expired
- 1972-04-07 JP JP3452172A patent/JPS5314694B1/ja active Pending
- 1972-04-07 FR FR7212233A patent/FR2136247A5/fr not_active Expired

Also Published As

Publication number	Publication date
DE2216762C3 (en)	1980-06-12
JPS5314694B1 (en)	1978-05-19
DE2216762B2 (en)	1979-09-20
FR2136247A5 (en)	1972-12-22
US3770179A (en)	1973-11-06
DE2216762A1 (en)	1972-10-19
CA1005481A (en)	1977-02-15

Publication	Publication Date	Title
IT950247B (en)	1973-06-20	SELF-PRESSURIZING SEAL FOR ROTATING SHAFT
AT324788B (en)	1975-09-25	RADIAL SHAFT SEAL
SE395945B (en)	1977-08-29	SHAFT SEAL
IT955926B (en)	1973-09-29	SEALING DEVICE FOR ROTATING SHAFTS
BR7108688D0 (en)	1973-08-28	ROTARY CRUSHER
SE381712B (en)	1975-12-15	ROTATION PISTON MACHINE FOR VETSKOR
IT970209B (en)	1974-04-10	FLEXIBLE JOINT FOR ROTATING SHAFT
SE381324B (en)	1975-12-01	SHAFT SEAL
IT952385B (en)	1973-07-20	ROTATING BOILER
ZA72595B (en)	1972-10-25	Shaft seals
FI54618B (en)	1978-09-29	ROTARY MATERIALS
BE815067A (en)	1974-09-02	CENTRIFUGAL ROTOR
SE383022B (en)	1976-02-23	ROTATION PUMP
IT945175B (en)	1973-05-10	ROTARY SEALING MECHANICAL GASKET
IT968858B (en)	1974-03-20	ROTARY MOTOR
BR7309708D0 (en)	1974-08-29	PERFECTED ROTATING SHAFT SEAL
SE395308B (en)	1977-08-08	SHAFT SEAL
IT975157B (en)	1974-07-20	MECHANICAL FUSU FOR ROTATING BULLETS
IT974184B (en)	1974-06-20	ROTATING ADRAULIC MACHINE
IT958194B (en)	1973-10-20	WATERPROOF SEALING DEVICE FOR ROTATING SHAFTS
IT963622B (en)	1974-01-21	ROTOR FOR DYNAMOELET TRICHE MACHINES
IT959760B (en)	1973-11-10	ROTATING OVEN
GB1404760A (en)	1975-09-03	Shaft seals
SE394315B (en)	1977-06-20	HYDROSTATIC SHAFT SEAL
IT967572B (en)	1974-03-11	ROTATING OVEN