GB668039A - Improvements in or relating to screw propellers - Google Patents

Improvements in or relating to screw propellers

Info

Publication number
GB668039A
GB668039A GB13073/50A GB1307350A GB668039A GB 668039 A GB668039 A GB 668039A GB 13073/50 A GB13073/50 A GB 13073/50A GB 1307350 A GB1307350 A GB 1307350A GB 668039 A GB668039 A GB 668039A
Authority
GB
United Kingdom
Prior art keywords
screw propellers
relating
steps
blade
deepest
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
GB13073/50A
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.)
JAMES SIMPSON SMITH
Original Assignee
JAMES SIMPSON SMITH
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 JAMES SIMPSON SMITH filed Critical JAMES SIMPSON SMITH
Priority to GB13073/50A priority Critical patent/GB668039A/en
Publication of GB668039A publication Critical patent/GB668039A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/28—Other means for improving propeller efficiency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/26—Blades

Abstract

668,039. Screw propellers. SMITH, J.S. May 24, 1950, No. 13073/50. Class 114. The propeller blade is divided into areas 5, 6, and 7 of differing pitches by steps 3. 4 which extend partially across the width of the blade and are deepest at the leading edge. The edges of the steps may be either straight or curved.
GB13073/50A 1950-05-24 1950-05-24 Improvements in or relating to screw propellers Expired GB668039A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB13073/50A GB668039A (en) 1950-05-24 1950-05-24 Improvements in or relating to screw propellers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13073/50A GB668039A (en) 1950-05-24 1950-05-24 Improvements in or relating to screw propellers

Publications (1)

Publication Number Publication Date
GB668039A true GB668039A (en) 1952-03-12

Family

ID=10016301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13073/50A Expired GB668039A (en) 1950-05-24 1950-05-24 Improvements in or relating to screw propellers

Country Status (1)

Country Link
GB (1) GB668039A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572962A (en) * 1969-06-02 1971-03-30 Canadian Patents Dev Stator blading for noise reduction in turbomachinery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572962A (en) * 1969-06-02 1971-03-30 Canadian Patents Dev Stator blading for noise reduction in turbomachinery

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