×

METHOD AND APPARATUS FOR ISOLATING AND MEASURING VEHICLE NOISE

  • US 3,695,098 A
  • Filed: 08/27/1970
  • Issued: 10/03/1972
  • Est. Priority Date: 08/27/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for individually isolating and measuring noise sources of a vehicle having an engine comprising:

  • a. positioning the vehicle on the roof of a subterranean building having a soundproof room therein;

    b. removing the noise from all other major noise sources on said vehicle except one, while retaining said other noise sources on said vehicle, by ceasing the operation of said other major noise sources;

    c. operating said one noise source while all of said other major noise sources are still on said vehicle, and said one noise source is still in its normal operating condition; and

    d. measuring, at a location outside of said building, the sound emitted from said vehicle, while said one noise source is operating in its normal condition on said vehicle and while said other major noise sources are still on said vehicle.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×