Invention Grant
US07918200B2 Sheet steel rocker arm 失效
钢板摇臂

  • Patent Title: Sheet steel rocker arm
  • Patent Title (中): 钢板摇臂
  • Application No.: US12087934
    Application Date: 2006-12-21
  • Publication No.: US07918200B2
    Publication Date: 2011-04-05
  • Inventor: Van Hau Nguyen
  • Applicant: Van Hau Nguyen
  • Applicant Address: DE Herzogenaurach
  • Assignee: Schaeffler KG
  • Current Assignee: Schaeffler KG
  • Current Assignee Address: DE Herzogenaurach
  • Agent Charles A. Muserlian
  • Priority: DE102006002996 20060121
  • International Application: PCT/EP2006/070092 WO 20061221
  • International Announcement: WO2007/082622 WO 20070726
  • Main IPC: F01L1/18
  • IPC: F01L1/18
Sheet steel rocker arm
Abstract:
A rocker arm (1) made of thin-walled sheet steel which rocker arm is intended for a suspended arrangement together with other like rocker arms under a girder-like carrier (2) of a valve train of an internal combustion engine, the rocker arm having an inverted U-shaped profile, a support (7) for a gas exchange valve is formed on one end (6) of an underside (5) of a crossbar (4) of the rocker arm, an upper side (9) of the crossbar (4) is stamped in the region of the support (7) by a stamping and extrusion molding method toward the underside (5), so that an M-like cross-section with a longitudinal channel (10) formed on the upper side (9) is obtained and at its other end (11), the rocker arm (1) has a fork-shaped, open configuration and merges into a region (12) which is angularly bent towards the underside (5) and on which a roller (13) forming a cam contacting surface is arranged, said rocker arm (1) of this type possesses, among other things, an excellent stiffness, is simple to manufacture and has a small design height requirement.
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