FR2156509A1 - - Google Patents

Info

Publication number
FR2156509A1
FR2156509A1 FR7139627A FR7139627A FR2156509A1 FR 2156509 A1 FR2156509 A1 FR 2156509A1 FR 7139627 A FR7139627 A FR 7139627A FR 7139627 A FR7139627 A FR 7139627A FR 2156509 A1 FR2156509 A1 FR 2156509A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7139627A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7139627A priority Critical patent/FR2156509A1/fr
Publication of FR2156509A1 publication Critical patent/FR2156509A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR7139627A 1971-10-21 1971-10-21 Withdrawn FR2156509A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7139627A FR2156509A1 (en) 1971-10-21 1971-10-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7139627A FR2156509A1 (en) 1971-10-21 1971-10-21

Publications (1)

Publication Number Publication Date
FR2156509A1 true FR2156509A1 (en) 1973-06-01

Family

ID=9085325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7139627A Withdrawn FR2156509A1 (en) 1971-10-21 1971-10-21

Country Status (1)

Country Link
FR (1) FR2156509A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392840B (en) * 1989-03-28 1991-06-25 Vaillant Gmbh HEAT EXCHANGER, ESPECIALLY A WATER HEATER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392840B (en) * 1989-03-28 1991-06-25 Vaillant Gmbh HEAT EXCHANGER, ESPECIALLY A WATER HEATER

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Legal Events

Date Code Title Description
ST Notification of lapse