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GB2388352B - Electrically driven power steering appatatus - Google Patents

Electrically driven power steering appatatus

Info

Publication number
GB2388352B
GB2388352B GB0319510A GB0319510A GB2388352B GB 2388352 B GB2388352 B GB 2388352B GB 0319510 A GB0319510 A GB 0319510A GB 0319510 A GB0319510 A GB 0319510A GB 2388352 B GB2388352 B GB 2388352B
Authority
GB
United Kingdom
Prior art keywords
appatatus
power steering
electrically driven
driven power
electrically
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 - Fee Related
Application number
GB0319510A
Other versions
GB2388352A (en
GB0319510D0 (en
Inventor
Shuji Endo
Hiroshi Eda
Osamu Tatewaki
Kenichi Hayakawa
Hirotaka Hatano
Toshihiro Fukuda
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.)
NSK Ltd
Original Assignee
NSK Ltd
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
Priority claimed from JP2000220405A external-priority patent/JP2002037097A/en
Priority claimed from JP2000220404A external-priority patent/JP3801848B2/en
Application filed by NSK Ltd filed Critical NSK Ltd
Priority claimed from GB0207824A external-priority patent/GB2370023B/en
Publication of GB0319510D0 publication Critical patent/GB0319510D0/en
Publication of GB2388352A publication Critical patent/GB2388352A/en
Application granted granted Critical
Publication of GB2388352B publication Critical patent/GB2388352B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
    • B62D5/046—Controlling the motor
    • B62D5/0472—Controlling the motor for damping vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0421—Electric motor acting on or near steering gear
    • B62D5/0424—Electric motor acting on or near steering gear the axes of motor and final driven element of steering gear, e.g. rack, being parallel
    • B62D5/0427—Electric motor acting on or near steering gear the axes of motor and final driven element of steering gear, e.g. rack, being parallel the axes being coaxial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0442—Conversion of rotational into longitudinal movement
    • B62D5/0445—Screw drives
    • B62D5/0448—Ball nuts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
    • B62D5/046—Controlling the motor
    • B62D5/0466—Controlling the motor for returning the steering wheel to neutral position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/20—Land vehicles
    • F16C2326/24—Steering systems, e.g. steering rods or columns
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Steering Mechanism (AREA)
GB0319510A 2000-07-21 2001-07-23 Electrically driven power steering appatatus Expired - Fee Related GB2388352B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000220405A JP2002037097A (en) 2000-07-21 2000-07-21 Electric power steering device
JP2000220404A JP3801848B2 (en) 2000-07-21 2000-07-21 Electric power steering device
GB0207824A GB2370023B (en) 2000-07-21 2001-07-23 Electrically driven power steering apparatus

Publications (3)

Publication Number Publication Date
GB0319510D0 GB0319510D0 (en) 2003-09-17
GB2388352A GB2388352A (en) 2003-11-12
GB2388352B true GB2388352B (en) 2004-04-21

Family

ID=29219303

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0319510A Expired - Fee Related GB2388352B (en) 2000-07-21 2001-07-23 Electrically driven power steering appatatus
GB0319512A Expired - Fee Related GB2388353B (en) 2000-07-21 2001-07-23 Electrically driven power steering apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0319512A Expired - Fee Related GB2388353B (en) 2000-07-21 2001-07-23 Electrically driven power steering apparatus

Country Status (1)

Country Link
GB (2) GB2388352B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004017275D1 (en) 2004-03-10 2008-12-04 Umbra Cuscinetti Spa Steering unit for an electric vehicle
DE102006041718A1 (en) * 2006-09-06 2008-03-27 Volkswagen Ag Electric Power Steering
DE102007048075B4 (en) * 2007-10-05 2016-03-31 Thyssenkrupp Presta Aktiengesellschaft Electric power steering system comprising a ball screw with spring-loaded bearing
DE102009020554A1 (en) 2009-05-08 2010-11-11 Thyssenkrupp Presta Ag Ball screw for use in motor vehicle, has ball nut mounted in main bearing, where bearing outer ring of main bearing comprises outer peripheral surface that is designed as part of spherical surface and supported with rings against housing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198098A (en) * 1986-10-20 1988-06-08 Honda Motor Co Ltd Rear wheel steering device for vehicle with four steerable wheels
US4754829A (en) * 1986-04-11 1988-07-05 Honda Giken Kogyo Kabushiki Kaisha Motor-driven power steering system for vehicles
US4773497A (en) * 1986-05-08 1988-09-27 Trw Inc. Floating ball-nut for an electric assist steering system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754829A (en) * 1986-04-11 1988-07-05 Honda Giken Kogyo Kabushiki Kaisha Motor-driven power steering system for vehicles
US4773497A (en) * 1986-05-08 1988-09-27 Trw Inc. Floating ball-nut for an electric assist steering system
GB2198098A (en) * 1986-10-20 1988-06-08 Honda Motor Co Ltd Rear wheel steering device for vehicle with four steerable wheels

Also Published As

Publication number Publication date
GB0319512D0 (en) 2003-09-17
GB2388353B (en) 2004-04-21
GB2388352A (en) 2003-11-12
GB2388353A (en) 2003-11-12
GB0319510D0 (en) 2003-09-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100723