FR2172249B1 - - Google Patents

Info

Publication number
FR2172249B1
FR2172249B1 FR7305240A FR7305240A FR2172249B1 FR 2172249 B1 FR2172249 B1 FR 2172249B1 FR 7305240 A FR7305240 A FR 7305240A FR 7305240 A FR7305240 A FR 7305240A FR 2172249 B1 FR2172249 B1 FR 2172249B1
Authority
FR
France
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
FR7305240A
Other languages
French (fr)
Other versions
FR2172249A1 (oth
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.)
RTX Corp
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Publication of FR2172249A1 publication Critical patent/FR2172249A1/fr
Application granted granted Critical
Publication of FR2172249B1 publication Critical patent/FR2172249B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Wind Motors (AREA)
  • Laminated Bodies (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
FR7305240A 1972-02-14 1973-02-07 Expired FR2172249B1 (oth)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22577872A 1972-02-14 1972-02-14
US27323072A 1972-07-19 1972-07-19

Publications (2)

Publication Number Publication Date
FR2172249A1 FR2172249A1 (oth) 1973-09-28
FR2172249B1 true FR2172249B1 (oth) 1976-06-11

Family

ID=26919899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7305240A Expired FR2172249B1 (oth) 1972-02-14 1973-02-07

Country Status (4)

Country Link
DE (1) DE2304213C2 (oth)
FR (1) FR2172249B1 (oth)
GB (1) GB1361174A (oth)
IT (1) IT979058B (oth)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114571663A (zh) * 2022-02-21 2022-06-03 荆州市三农农业航空科技有限公司 一种旋翼机旋翼片的加工工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754918A (en) * 1950-09-21 1956-07-17 United Aircraft Corp Weighted blade for rotary wing aircraft
US2981337A (en) * 1959-09-08 1961-04-25 Hiller Aircraft Corp Propeller blade
US3547555A (en) * 1969-03-05 1970-12-15 United Aircraft Corp Rotor blade pressure sensing system

Also Published As

Publication number Publication date
DE2304213C2 (de) 1983-01-13
IT979058B (it) 1974-09-30
DE2304213A1 (de) 1973-08-23
GB1361174A (en) 1974-07-24
FR2172249A1 (oth) 1973-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse