Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
FR722078A - Hélice à pas variable - Google Patents
[go: Go Back, main page]

FR722078A - Hélice à pas variable - Google Patents

Hélice à pas variable

Info

Publication number
FR722078A
FR722078A FR722078DA FR722078A FR 722078 A FR722078 A FR 722078A FR 722078D A FR722078D A FR 722078DA FR 722078 A FR722078 A FR 722078A
Authority
FR
France
Prior art keywords
variable pitch
pitch propeller
propeller
variable
pitch
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
English (en)
Inventor
Rudolph William Schroeder
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 filed Critical
Application granted granted Critical
Publication of FR722078A publication Critical patent/FR722078A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B64C11/34—Blade pitch-changing mechanisms mechanical automatic
    • B64C11/343—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on the blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR722078D 1930-08-02 1931-08-01 Hélice à pas variable Expired FR722078A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US722078XA 1930-08-02 1930-08-02

Publications (1)

Publication Number Publication Date
FR722078A true FR722078A (fr) 1932-03-11

Family

ID=22106231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722078D Expired FR722078A (fr) 1930-08-02 1931-08-01 Hélice à pas variable

Country Status (1)

Country Link
FR (1) FR722078A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748031C (de) * 1933-06-25 1944-11-14 Luftschraube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748031C (de) * 1933-06-25 1944-11-14 Luftschraube

Similar Documents

Publication Publication Date Title
FR725680A (fr) Perfectionnements aux hélices à pas variable
FR819581A (fr) Hélice à pas variable
FR563529A (fr) Hélice équilibrée à pas automatiquement variable
FR705835A (fr) Hélice à pas variable
FR722078A (fr) Hélice à pas variable
FR684120A (fr) Hélice à pas variant automatiquement
FR721479A (fr) Hélice à pas variable
FR726263A (fr) Hélice à pas variable
FR719933A (fr) Hélice à pas variable
FR691776A (fr) Hélice à pas variable
FR733739A (fr) Hélice à pas variable
FR727446A (fr) Hélice à pas variable
FR740764A (fr) Perfectionnements aux hélices à pas variable
FR671708A (fr) Hélice à pas variable
FR725612A (fr) Perfectionnements aux hélices à pas variable
FR689315A (fr) Perfectionnements aux hélices à pas variable
FR710514A (fr) Hélice à pas variable
FR732324A (fr) Hélice à pas variable
FR739723A (fr) Hélice à pas variable
FR591741A (fr) Hélice à pas variable
FR30244E (fr) Hélice à pas variable
FR688367A (fr) Hélice tractive ou propulsive à pas variable
FR35207E (fr) Hélice à pas variable
FR652296A (fr) Hélice à pas variable
FR652558A (fr) Hélice à pas variable