GB1279800A - Sealing assembly particularly for stern tubes - Google Patents

Sealing assembly particularly for stern tubes

Info

Publication number
GB1279800A
GB1279800A GB2158971A GB2158971A GB1279800A GB 1279800 A GB1279800 A GB 1279800A GB 2158971 A GB2158971 A GB 2158971A GB 2158971 A GB2158971 A GB 2158971A GB 1279800 A GB1279800 A GB 1279800A
Authority
GB
United Kingdom
Prior art keywords
stern tube
pocket
oil
lip seal
pressure
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.)
Expired
Application number
GB2158971A
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.)
Waukesha Bearings Corp
Original Assignee
Waukesha Bearings Corp
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 Waukesha Bearings Corp filed Critical Waukesha Bearings Corp
Publication of GB1279800A publication Critical patent/GB1279800A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32—Other parts
    • B63H23/36—Shaft tubes
    • 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
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/006—Sealings comprising at least two sealings in succession with division of the pressure
    • 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
    • F16J15/54—Other sealings for rotating shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32—Other parts
    • B63H23/321—Bearings or seals specially adapted for propeller shafts
    • B63H2023/327—Sealings specially adapted for propeller shafts or stern tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Of Bearings (AREA)

Abstract

1279800 Shaft seals WAUKESHA BEARINGS CORP 19 April 1971 [12 Feb 1970] 21589/71 Heading F2B A seal assembly for the forward end of a ship's stern tube comprises an annular casing 17 having an annular pocket 32 for a lip seal 25, a restricted inlet 38 and means 53 for drawing oil from the stern tube through the restricted inlet and pocket to provide an oil pressure in the pocket which is lower than that in the stern tube. The casing 17 is secured to the stern tube by a flange 18 and the lip seal of, for example, rubber or a copolymer of butadiene and acrylonitrile such as Buna N bears on a shaft liner 20. The oil pressure in the stern tube (10), Fig. 1 (not shown), is provided by a head tank (42) and the restricted inlet to the pocket 32 from the stern tube is provided by a floating ring 35 of bronze or plastics which is loosely held by pins 36 in a pocket 33 to create a clearance 38. The lip seal assembly (16) at the aft end of the stern tube is subjected to the head pressure which is maintained at a value slightly in excess of the sea water pressure. The lip seal 29 at the forward end of the stern tube is subjected to the reduced oil pressure provided by the restriction and the pump 53 which continuously returns the oil to the higher pressure oil system of the stern tube.
GB2158971A 1970-02-12 1971-04-19 Sealing assembly particularly for stern tubes Expired GB1279800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1091570A 1970-02-12 1970-02-12

Publications (1)

Publication Number Publication Date
GB1279800A true GB1279800A (en) 1972-06-28

Family

ID=21748008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2158971A Expired GB1279800A (en) 1970-02-12 1971-04-19 Sealing assembly particularly for stern tubes

Country Status (4)

Country Link
JP (1) JPS55278B1 (en)
DE (1) DE2105878A1 (en)
GB (1) GB1279800A (en)
NL (1) NL7101048A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709243A1 (en) * 1976-02-17 1978-09-07 Forsheda Gummifabrik Ab Enclosed unit for sealing an axle through a partition - is suitable for mounting in a dusty atmosphere around an existing machine (SW 12.9.77)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926660C2 (en) * 1979-07-02 1984-12-06 Howaldtswerke-Deutsche Werft Ag Hamburg Und Kiel, 2300 Kiel Oil-lubricated stern tube bearing and seal assembly
DE3034561A1 (en) * 1980-09-12 1982-03-25 Il'ja M. Leningrad Čečot Water lubricated propeller shaft for ship - has closed circuit with top up link for cooling

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478648A (en) * 1968-04-22 1969-11-18 Trico Products Corp Fluid system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709243A1 (en) * 1976-02-17 1978-09-07 Forsheda Gummifabrik Ab Enclosed unit for sealing an axle through a partition - is suitable for mounting in a dusty atmosphere around an existing machine (SW 12.9.77)

Also Published As

Publication number Publication date
JPS55278B1 (en) 1980-01-07
DE2105878A1 (en) 1971-11-04
NL7101048A (en) 1971-08-16

Similar Documents

Publication Publication Date Title
US4344631A (en) Pressure insensitive lip seal
US4984811A (en) Pressure control system for stern tube seals
SE334293B (en)
ES8402060A1 (en) Sealing assembly with a radial slip-ring.
US3403915A (en) Differential pressure responsive shaft seal apparatus
ES8504366A1 (en) Shaft seals.
GB1269571A (en) Seal assemblies
GB1170008A (en) Floating Ring Seal for a Shaft
ES8103321A1 (en) Sealing arrangement for stern tubes of ships.
GB1096421A (en) Sealing assembly for the propellor shaft of a ship having a metallic hull
GB1458686A (en) Seal for rotating shafts especially for stern tube seals for ships
SE7607255L (en) DEVICE AT A PROPELLER SHAFT SLEEVE
GB1110234A (en) Improvements in and relating to shaft seals
GB1279800A (en) Sealing assembly particularly for stern tubes
GB1269285A (en) Improvements in or relating to stern shaft seals
SE8402189D0 (en) PROPELLER SHAFT SEALING SEAL
US4482158A (en) Stern tube seal device
GB1379967A (en) Marine propellar stern bearing shaft design and seal arrangement
GB1490039A (en) Fluid sealing devices
US3291491A (en) Submarine shaft seal and thrust compensator
JP2909948B2 (en) Stern tube shaft sealing device
US2862733A (en) Outboard bearing seal for marine propellers
GB1509661A (en) Water ring vacuum pumps
US3073608A (en) Fluid seals
GB1237881A (en) Seals

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee