GB803306A - A centrifugal pump - Google Patents

A centrifugal pump

Info

Publication number
GB803306A
GB803306A GB285/57A GB28557A GB803306A GB 803306 A GB803306 A GB 803306A GB 285/57 A GB285/57 A GB 285/57A GB 28557 A GB28557 A GB 28557A GB 803306 A GB803306 A GB 803306A
Authority
GB
United Kingdom
Prior art keywords
stuffing
box
shaft
sealing liquid
bearing
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
GB285/57A
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.)
Combustion Engineering Inc
Original Assignee
Combustion Engineering Inc
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 Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of GB803306A publication Critical patent/GB803306A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/10Shaft sealings
    • F04D29/106Shaft sealings especially adapted for liquid pumps
    • F04D29/108Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

803,306. Stuffing-box substitutes. COMBUSTION ENGINEERING, Inc. Jan. 3, 1957 [March 6, 1956], No. 285/57. Class 122 (5). In a centrifugal pump for use with hightemperature high-pressure liquids, such as a boiler circulating pump, and comprising an impeller 18 on a shaft 20 having a bearing 32 adjacent the impeller and a stuffing-box located outwardly of the bearing and in which leakage of hot pumped liquid along the shaft is prevented by sealing liquid supplied at a pressure slightly greater than that in the pump chamber 16, to a chamber 34 between the bearing and the stuffing-box, the pressure of the sealing liquid reduced before it reaches the stuffing- box by having to pass through the restriction clearance 48 between the shaft and a surrounding sleeve 46 and damage to the stuffing-box packing 36 by impingements thereon of the stream of sealing liquid issuing from the outward end of the sleeve 46 is prevented by a deflector flange 50 secured to or integral with the shaft. The sealing liquid is supplied at passage 40 and discharged through passage 42.
GB285/57A 1956-03-06 1957-01-03 A centrifugal pump Expired GB803306A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US803306XA 1956-03-06 1956-03-06

Publications (1)

Publication Number Publication Date
GB803306A true GB803306A (en) 1958-10-22

Family

ID=22156707

Family Applications (1)

Application Number Title Priority Date Filing Date
GB285/57A Expired GB803306A (en) 1956-03-06 1957-01-03 A centrifugal pump

Country Status (1)

Country Link
GB (1) GB803306A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128103A (en) * 1959-10-02 1964-04-07 Combustion Eng Thermal sleeves for boiler water circulating pumps
US5088891A (en) * 1989-04-26 1992-02-18 Weir Pumps Ltd. Pump with seal cooling means
DE4438878A1 (en) * 1994-10-31 1996-05-02 Leybold Ag Sealing system for a vertically arranged shaft
GB2422409A (en) * 2005-01-19 2006-07-26 Aes Eng Ltd Process Fluid Apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128103A (en) * 1959-10-02 1964-04-07 Combustion Eng Thermal sleeves for boiler water circulating pumps
US5088891A (en) * 1989-04-26 1992-02-18 Weir Pumps Ltd. Pump with seal cooling means
DE4438878A1 (en) * 1994-10-31 1996-05-02 Leybold Ag Sealing system for a vertically arranged shaft
US5961124A (en) * 1994-10-31 1999-10-05 Leybold Aktiengesellschaft Sealing system for a vertically disposed shaft
GB2422409A (en) * 2005-01-19 2006-07-26 Aes Eng Ltd Process Fluid Apparatus

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