Chassis frame buckling control device and chassis frame deformation control device

• US 20050121997A1
• Filed: 11/30/2004
• Published: 06/09/2005
• Est. Priority Date: 12/03/2003
• Status: Active Grant

• Current Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Original Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Inventors: Mae, Hiroyuki
• Granted Patent: US 7,202,588 B2
• Time in Patent Office: Days
• US Class Current: 310/311
• CPC Class Codes: B60R 2019/007 Means for adjusting or regulating the crash absorption capacity of the vehicle, e.g. when detecting an impending collision
• CPC Class Codes: B62D 21/15 having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body bumpers B60R19/02; shock absorbers in general F16F
• CPC Class Codes: F16F 2224/0283 piezoelectric; electro- or magnetostrictive
• CPC Class Codes: H10N 30/206 using only longitudinal or thickness displacement, e.g. d33 or d31 type devices
• CPC Class Codes: H10N 30/871 Single-layered electrodes of multilayer piezoelectric or electrostrictive devices, e.g. internal electrodes

Abstract

The present invention is including: a piezoelectric element actuator provided on a chassis frame and capable of generating a load along the chassis frame; and, a control unit that controls the load of the piezoelectric element actuator.

Claims

1. A chassis frame buckling control device comprising:

a piezoelectric element actuator provided on a chassis frame and capable of generating a load along the chassis frame; and

,

a control unit that controls the load of the piezoelectric element actuator.

2. A chassis frame buckling control device according to claim 1, wherein

the piezoelectric element actuator is provided in the vicinity of a weak section of the chassis frame.

3. A chassis frame deformation control device comprising:

a piezoelectric element actuator provided on the inside corner of a bent section of a chassis frame and capable of generating a load along the chassis frame; and

,

a control unit that controls the load of the piezoelectric element actuator.

4. A chassis frame deformation control device according to claim 3, wherein

a detection unit is provided that is capable of detecting the location of the chassis frame where buckling progresses, and

the control unit controls the load of the piezoelectric element actuator based on the detection results of the detection unit.