Starting device for an internal combustion engine

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United States of America Patent

PATENT NO 9797359
APP PUB NO 20160290303A1
SERIAL NO

15037439

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Abstract

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The invention relates to a starting device (10) for an internal combustion engine, the starting device (10) comprising a hub (12; 70) configured to drivingly engage an internal combustion engine when the hub (12; 70) is rotated in a first direction (A); a pulley (14; 47; 60) interconnected with the hub (12; 70) by a spring (23; 41); a shaft (21) on which the pulley (14; 47; 60) and hub (12; 70) are mounted independently rotatable; a flexible member (16) attached to and coiled about the pulley (14; 47; 60); and where the spring (23; 41) coupled at a first end (26; 53) to the hub (12; 70) and at a second end (28; 54) to the pulley (14; 47; 60). The pulley (14; 47; 60) comprises a recess (15) arranged to receive the flexible member (16), which recess has the shape of a conical helix having a first end (15A) with a first diameter and a second end (15B) with a second diameter, larger than the first diameter; and is attached to the pulley (14; 47; 60) at the second end (15B).

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Patent Owner(s)

  • HUSQVARNA AB

International Classification(s)

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  • 2013 Application Filing Year
  • F02N Class
  • 267 Applications Filed
  • 245 Patents Issued To-Date
  • 91.77 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fransson, Håkan Jönköping, SE 4 22
Hansson, Anders Huskvarna, SE 47 705
Kullberg, Stefan Jönköping, SE 15 96
Persson, Joakim Skillingaryd, SE 42 670

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Patent Citation Ranking

  • 2 Citation Count
  • F02N Class
  • 18.83 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges291108231101 - 1011 - 2021 - 3031 - 4041 - 5061 - 7005101520253035404550556065707580859095100105110115120

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