Patent · US Expired

Accelerometer

US4151751A · kind A · utility

3Cited by
1References
10Claims
0Family size

Inventor

Key dates

Filing dateApr 24, 1978
Grant dateMay 1, 1979
Priority date—
Expiry dateApr 24, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01P15/032
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An accelerator for mounting to a vehicle. The accelerometer includes a pendulum in a housing and an indicating needle rigidly attached to the pendulum. The needle sweeps across a meter face at one end of the housing and the meter face may be calibrated in terms of the forward acceleration of the vehicle. The pendulum has a weight constructed of magnetic material and a small permanent magnet in a fixed position in the housing normally attracts the pendulum from its bottom dead-center position. This results in a large angular arc through which the pendulum can swing when the pendulum is accelerated with the vehicle, leading to greater overall sensitivity of the accelerometer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.