DE29712323U1 - Koaxiales Abgas-Luftrohr - Google Patents

Koaxiales Abgas-Luftrohr

Info

Publication number
DE29712323U1
DE29712323U1 DE29712323U DE29712323U DE29712323U1 DE 29712323 U1 DE29712323 U1 DE 29712323U1 DE 29712323 U DE29712323 U DE 29712323U DE 29712323 U DE29712323 U DE 29712323U DE 29712323 U1 DE29712323 U1 DE 29712323U1
Authority
DE
Germany
Prior art keywords
air pipe
exhaust air
coaxial exhaust
coaxial
pipe
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
DE29712323U
Other languages
English (en)
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 DE29712323U1 publication Critical patent/DE29712323U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
DE29712323U 1996-07-11 1997-07-04 Koaxiales Abgas-Luftrohr Expired - Lifetime DE29712323U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT124296 1996-07-11

Publications (1)

Publication Number Publication Date
DE29712323U1 true DE29712323U1 (de) 1997-09-11

Family

ID=3509687

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29712323U Expired - Lifetime DE29712323U1 (de) 1996-07-11 1997-07-04 Koaxiales Abgas-Luftrohr

Country Status (1)

Country Link
DE (1) DE29712323U1 (de)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19971023

R150 Term of protection extended to 6 years

Effective date: 20001220

R081 Change of applicant/patentee

Owner name: VAILLANT GMBH, DE

Free format text: FORMER OWNER: JOH. VAILLANT GMBH U. CO., 42859 REMSCHEID, DE

Effective date: 20020528

R151 Term of protection extended to 8 years

Effective date: 20030912

R152 Term of protection extended to 10 years

Effective date: 20050812

R071 Expiry of right