FR471528A - Fan improvements - Google Patents

Fan improvements

Info

Publication number
FR471528A
FR471528A FR471528DA FR471528A FR 471528 A FR471528 A FR 471528A FR 471528D A FR471528D A FR 471528DA FR 471528 A FR471528 A FR 471528A
Authority
FR
France
Prior art keywords
fan
fan improvements
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
Other languages
French (fr)
Inventor
Louis Greenberg
Villard Milton Mcewen
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.)
VILLARD MILTON MCEWEN
Original Assignee
VILLARD MILTON MCEWEN
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 VILLARD MILTON MCEWEN filed Critical VILLARD MILTON MCEWEN
Application granted granted Critical
Publication of FR471528A publication Critical patent/FR471528A/en
Expired legal-status Critical Current

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
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
    • B23K11/061—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams
    • B23K11/062—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams for welding longitudinal seams of tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
FR471528D 1913-07-05 1914-04-30 Fan improvements Expired FR471528A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US471528XA 1913-07-05 1913-07-05

Publications (1)

Publication Number Publication Date
FR471528A true FR471528A (en) 1914-10-30

Family

ID=21947342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR471528D Expired FR471528A (en) 1913-07-05 1914-04-30 Fan improvements

Country Status (2)

Country Link
FR (1) FR471528A (en)
GB (1) GB471528A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904269C2 (en) * 1979-02-05 1983-07-14 Benteler-Werke AG, 4790 Paderborn Welding device for conical masts

Also Published As

Publication number Publication date
GB471528A (en) 1937-09-06

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