DE29717748U1 - Heating device - Google Patents

Heating device

Info

Publication number
DE29717748U1
DE29717748U1 DE29717748U DE29717748U DE29717748U1 DE 29717748 U1 DE29717748 U1 DE 29717748U1 DE 29717748 U DE29717748 U DE 29717748U DE 29717748 U DE29717748 U DE 29717748U DE 29717748 U1 DE29717748 U1 DE 29717748U1
Authority
DE
Germany
Prior art keywords
heating device
heating
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
DE29717748U
Other languages
German (de)
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.)
Vaillant GmbH
Original Assignee
Joh Vaillant GmbH and 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 Joh Vaillant GmbH and Co filed Critical Joh Vaillant GmbH and Co
Publication of DE29717748U1 publication Critical patent/DE29717748U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0026—Guiding means in combustion gas channels
    • 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
    • F28F1/124—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 being formed of pins
DE29717748U 1996-09-30 1997-09-26 Heating device Expired - Lifetime DE29717748U1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT172396A ATA172396A (en) 1996-09-30 1996-09-30 HEATING DEVICE

Publications (1)

Publication Number Publication Date
DE29717748U1 true DE29717748U1 (en) 1998-01-02

Family

ID=3519621

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29717748U Expired - Lifetime DE29717748U1 (en) 1996-09-30 1997-09-26 Heating device

Country Status (2)

Country Link
AT (1) ATA172396A (en)
DE (1) DE29717748U1 (en)

Also Published As

Publication number Publication date
ATA172396A (en) 2000-06-15

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19980212

R156 Lapse of ip right after 3 years

Effective date: 20010601