US2778608A - Device for water-cooled oil coolers - Google Patents

Device for water-cooled oil coolers Download PDF

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Publication number
US2778608A
US2778608A US287196A US28719652A US2778608A US 2778608 A US2778608 A US 2778608A US 287196 A US287196 A US 287196A US 28719652 A US28719652 A US 28719652A US 2778608 A US2778608 A US 2778608A
Authority
US
United States
Prior art keywords
insulation
pipe
liquid
water
wall
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 - Lifetime
Application number
US287196A
Other languages
English (en)
Inventor
Flegel Curt
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.)
Hartford National Bank and Trust Co
Original Assignee
Hartford National Bank and Trust Co
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 Hartford National Bank and Trust Co filed Critical Hartford National Bank and Trust Co
Application granted granted Critical
Publication of US2778608A publication Critical patent/US2778608A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/02—Constructional details
    • H05G1/025—Means for cooling the X-ray tube or the generator
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/02—Constructional details
    • H05G1/04—Mounting the X-ray tube within a closed housing

Definitions

  • the liquid may be caused to circulate and to pass a device in which the temperature is lowered.
  • the stored heat is discharged. Rapid and efiicient heat discharge is provided by the use of a cooling liquid which flows through a pipe conduit arranged in the device, water being the liquid which is most suitable for this purpose.
  • Such devices are known as liquid coolers and have the disadvantage that if that part of the cooling pipe which serves for the supply of the cooling liquid is in contact with air above the level of the insulation provided in the cooler, it is coated with a film of water of condensation. The water flows into the insulation and adversely afiects its insulating properties. It lowers the breakdown voltage so that eventually sparking will take place be tween parts of the apparatus at a high voltage and the protective sheath.
  • cooling pipe extends below the liquid level through the wall of the cooler.
  • the invention permits the cooling pipe to be led through the liquid level into the cooler, the said disadvantage being avoided in that according to the invention the cooling pipe is surrounded by a hollow body which extends as far as below the surface of the liquid to be cooled and, but for a passage for the cooling pipe, is closed at the bottom end and is united at the upper end with the wall of the cooler.
  • Fig. l is a partial sectional and a partial elevational 7 view of the device according to my invention.
  • Fig. 2 is a perspective view of the present device as used with X-ray apparatus.
  • Fig. 1 of the drawing shows only that part of the wall 1 of the cooler through which the cooling pipe 4 extends as far as in the oil volume 2.
  • the wall 1 has formed in it an aperture the section of which greater than that of the pipe 4, for instance a multiple there of the wall 1 and the liquid level being separated by air'3.
  • the wall 1 has secured to it a hollow body 5, for example a cylindrical sleeve. The latter surrounds pipe 4 and extends as far as below the oil level.
  • the lower end of the sleeve 5 is closed by a bottom 6,
  • the wall may be provided with a re-entrant part.
  • the temperature of the wall of the sleeve 5 and that of the oil volume of the cooler is substantially identical so that no precipitate of water of condensation is formed on the outer surface of the tube 5, the insulated properties of the oil being thus prevented from being aifeeted thereby.
  • Fig. 2 which shows a column 7 resting on the base portion 8 for supporting carriage 9 which is movable up and down along the column.
  • the carriage 9 carries the supporting arm 10 which is longitudinally movable and has the container 11 enclosing an X-ray tube connected to the end thereof.
  • High voltage supply cables 12 and 13 connect the X-ray tube to the energy supply device 14 which contains the high voltage transformer and a supply for the filament current.
  • One end of the housing of the X-ray tube has an inlet and an outlet portion for the circulation of the liquid insulation which passes from the container 17 through the tubes 15 and 16 to the X-ray tube.
  • the circulation of the liquid is effected by means of a rotary pump 23 driven by an electromotor 18 on top of the container 17.
  • a cooling pipe 19 is connected to the watertap 20 and inserted in the containerthrough the re-entrant portion or hollow receptacle as described previously. The water leaves the container 17 through the outlet pipe 21. It is clear that the water passes through the container separate from the liquid insulation.
  • a cooling device for lowering the temperature of liquid insulation for high voltage electrical apparatus comprising a container having one surface provided with a reentrant portion, a cooling pipe having liquid flowing therethrough,said re-entrant portion having an aperture in a wall parallel to said surface for the passage therethrough of said cooling pipe, said liquid insulation surrounding part of said re-entrant portion, and part of said pipe extending below the liquid level being spaced from said liquid by said re-entrant portion, and another part of said pipe extending through said liquid insulation.
  • a cooling device for lowering the temperature of liquid insulation for high voltage electrical apparatus comprising a container having one surface provided with a cylindrical re-entrant portion, a cooling pipe having liquid flowing therethrough, said re-entrant portion having an aperture in a wall parallel to said surface for the passage therethrough of said cooling pipe, said wall being closed except for said aperture, said liquid insulation sur rounding part of said re-entrant portion, and part of said pipe extending below the liquid level being spaced from said liquid by said re-entrant portion and another part of said pipe extending through said liquid insulation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • X-Ray Techniques (AREA)
  • Transformer Cooling (AREA)
  • Motor Or Generator Cooling System (AREA)
US287196A 1951-05-18 1952-05-10 Device for water-cooled oil coolers Expired - Lifetime US2778608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM9580A DE874621C (de) 1951-05-18 1951-05-18 Anordnung bei OElrueckkuehlern mit Wasserkuehlung

Publications (1)

Publication Number Publication Date
US2778608A true US2778608A (en) 1957-01-22

Family

ID=7294741

Family Applications (1)

Application Number Title Priority Date Filing Date
US287196A Expired - Lifetime US2778608A (en) 1951-05-18 1952-05-10 Device for water-cooled oil coolers

Country Status (7)

Country Link
US (1) US2778608A (de)
BE (1) BE511452A (de)
CH (1) CH304525A (de)
DE (1) DE874621C (de)
FR (1) FR1056631A (de)
GB (1) GB714302A (de)
NL (1) NL83795C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237260A1 (en) * 1991-12-16 1993-06-17 Siemens Ag X=ray tube cooling arrangement with sec. coolant circuit - Employs temp. of buffer reservoir as variable in control of operation of prim. circuit regulator valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1667621A (en) * 1927-04-04 1928-04-24 Gen Electric Pressure-relief pipe for electrical-apparatus casings
US2188574A (en) * 1939-07-19 1940-01-30 Ebco Mfg Company Refrigerated liquid dispenser
US2223725A (en) * 1939-06-28 1940-12-03 Westinghouse Electric & Mfg Co Control mechanism
US2400570A (en) * 1940-12-19 1946-05-21 Bastian Blessing Co Liquefied petroleum gas dispensing system
US2440406A (en) * 1944-11-06 1948-04-27 Thomas M Kerr Fruit juice dispenser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1667621A (en) * 1927-04-04 1928-04-24 Gen Electric Pressure-relief pipe for electrical-apparatus casings
US2223725A (en) * 1939-06-28 1940-12-03 Westinghouse Electric & Mfg Co Control mechanism
US2188574A (en) * 1939-07-19 1940-01-30 Ebco Mfg Company Refrigerated liquid dispenser
US2400570A (en) * 1940-12-19 1946-05-21 Bastian Blessing Co Liquefied petroleum gas dispensing system
US2440406A (en) * 1944-11-06 1948-04-27 Thomas M Kerr Fruit juice dispenser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237260A1 (en) * 1991-12-16 1993-06-17 Siemens Ag X=ray tube cooling arrangement with sec. coolant circuit - Employs temp. of buffer reservoir as variable in control of operation of prim. circuit regulator valve

Also Published As

Publication number Publication date
GB714302A (en) 1954-08-25
DE874621C (de) 1953-04-27
CH304525A (de) 1955-01-15
FR1056631A (fr) 1954-03-01
NL83795C (fr) 1957-01-15
BE511452A (fr) 1952-11-17

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