BE861951A - Perfectionnements apportes aux aerateurs a double flux, en vue d'eviter un melange des deux flux d'air - Google Patents

Perfectionnements apportes aux aerateurs a double flux, en vue d'eviter un melange des deux flux d'air

Info

Publication number
BE861951A
BE861951A BE183540A BE183540A BE861951A BE 861951 A BE861951 A BE 861951A BE 183540 A BE183540 A BE 183540A BE 183540 A BE183540 A BE 183540A BE 861951 A BE861951 A BE 861951A
Authority
BE
Belgium
Prior art keywords
flows
double
air
view
improvements made
Prior art date
Application number
BE183540A
Other languages
English (en)
Original Assignee
Pietracci Brevets
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 Pietracci Brevets filed Critical Pietracci Brevets
Publication of BE861951A publication Critical patent/BE861951A/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
BE183540A 1977-02-07 1977-12-16 Perfectionnements apportes aux aerateurs a double flux, en vue d'eviter un melange des deux flux d'air BE861951A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7703367A FR2379772A1 (fr) 1977-02-07 1977-02-07 Perfectionnements apportes aux aerateurs a double flux, en vue d'eviter un melange des deux flux d'air

Publications (1)

Publication Number Publication Date
BE861951A true BE861951A (fr) 1978-04-14

Family

ID=9186374

Family Applications (1)

Application Number Title Priority Date Filing Date
BE183540A BE861951A (fr) 1977-02-07 1977-12-16 Perfectionnements apportes aux aerateurs a double flux, en vue d'eviter un melange des deux flux d'air

Country Status (3)

Country Link
BE (1) BE861951A (fr)
FR (1) FR2379772A1 (fr)
NL (1) NL7800555A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052339A (zh) * 2011-01-20 2011-05-11 浙江理工大学 双层反转轴流风扇
CN117249098A (zh) * 2022-02-14 2023-12-19 谢京司 一种便携式吹风装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3814721A1 (de) * 1988-04-30 1989-11-09 Asea Brown Boveri Radialluefter mit integriertem schmutzabscheider
WO2022096016A1 (fr) * 2020-11-09 2022-05-12 宁波富佳实业股份有限公司 Structure de guidage d'air et ventilateur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052339A (zh) * 2011-01-20 2011-05-11 浙江理工大学 双层反转轴流风扇
CN117249098A (zh) * 2022-02-14 2023-12-19 谢京司 一种便携式吹风装置

Also Published As

Publication number Publication date
FR2379772B1 (fr) 1982-06-18
FR2379772A1 (fr) 1978-09-01
NL7800555A (nl) 1978-08-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOC. D'EXPLOITATION DES BREVETS PIETRACCI

Effective date: 19881231