GB750272A - Improvements in pumping installations for dry docks - Google Patents

Improvements in pumping installations for dry docks

Info

Publication number
GB750272A
GB750272A GB1515054A GB1515054A GB750272A GB 750272 A GB750272 A GB 750272A GB 1515054 A GB1515054 A GB 1515054A GB 1515054 A GB1515054 A GB 1515054A GB 750272 A GB750272 A GB 750272A
Authority
GB
United Kingdom
Prior art keywords
pump
syphon
servo
level
water
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
GB1515054A
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.)
Drysdale and Co Ltd
Original Assignee
Drysdale and Co 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 Drysdale and Co Ltd filed Critical Drysdale and Co Ltd
Priority to GB1515054A priority Critical patent/GB750272A/en
Publication of GB750272A publication Critical patent/GB750272A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/007—Preventing loss of prime, siphon breakers

Landscapes

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

Abstract

750,272. Dry docks pumping. DRYSDALE & CO., Ltd., and YOUNG, J. July 13, 1954: [May 22, 1954], No. 15150/54. Class 68(2) [Also in Group XXVI] A pumping installation for a dry dock 1 includes a main pump 4 having a valveless discharge syphon 6, 7, 8 which rises above high-water level 14 of the tidal water 3 and of which the outlet end extends below low-water level 10 and is thereby watersealed. The pump 4 is located at the bottor of a pump-house chamber 2 and has a suction pipe 5 rising from a culvert 9 communicating with the dry dock 1, where 15 indicates the starting level of the water. The limb 7 of the syphon is above the highest anticipated tide and may be above the level of the dock gate. An air release valve 11 is connected to the syphon for breaking the syphon and is operated by oil pressure from a servo pump 12 driven from the main pump 4, the valve 11 opening by gravity if the servo oil pressure drops due to stoppage of the pump 4. An.auxiliary by-pass to the servo pump 12 may be provided so that the pump 4 may be worked without syphon assistance, if desired, for deliverying small quantities. An air exhausting pump 13 is connected to the suction side of the main pump 4.
GB1515054A 1954-05-22 1954-05-22 Improvements in pumping installations for dry docks Expired GB750272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1515054A GB750272A (en) 1954-05-22 1954-05-22 Improvements in pumping installations for dry docks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1515054A GB750272A (en) 1954-05-22 1954-05-22 Improvements in pumping installations for dry docks

Publications (1)

Publication Number Publication Date
GB750272A true GB750272A (en) 1956-06-13

Family

ID=10053923

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1515054A Expired GB750272A (en) 1954-05-22 1954-05-22 Improvements in pumping installations for dry docks

Country Status (1)

Country Link
GB (1) GB750272A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403521A (en) * 1992-11-02 1995-04-04 Aqua Unity Co., Ltd. Blow system and a method of use therefor in controlling the quality of recycle cooling water in a cooling tower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403521A (en) * 1992-11-02 1995-04-04 Aqua Unity Co., Ltd. Blow system and a method of use therefor in controlling the quality of recycle cooling water in a cooling tower

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