FR441207A - Differential ventilation process - Google Patents

Differential ventilation process

Info

Publication number
FR441207A
FR441207A FR441207A FR441207DA FR441207A FR 441207 A FR441207 A FR 441207A FR 441207 A FR441207 A FR 441207A FR 441207D A FR441207D A FR 441207DA FR 441207 A FR441207 A FR 441207A
Authority
FR
France
Prior art keywords
ventilation process
differential ventilation
differential
ventilation
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
FR441207A
Other languages
French (fr)
Inventor
Achille Knapen
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
Application granted granted Critical
Publication of FR441207A publication Critical patent/FR441207A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
FR441207A 1911-10-17 1912-03-11 Differential ventilation process Expired FR441207A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE781X 1911-10-17

Publications (1)

Publication Number Publication Date
FR441207A true FR441207A (en) 1912-08-01

Family

ID=84463776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR441207A Expired FR441207A (en) 1911-10-17 1912-03-11 Differential ventilation process

Country Status (3)

Country Link
FR (1) FR441207A (en)
GB (1) GB191217307A (en)
NL (1) NL781C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1903285A1 (en) * 2006-09-14 2008-03-26 Dir-Air Oy An air ventilator

Also Published As

Publication number Publication date
GB191217307A (en) 1913-07-24
NL781C (en) 1915-08-02

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