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Advanced disposable air cleaner

  • US 5,112,372 A
  • Filed: 10/22/1991
  • Issued: 05/12/1992
  • Est. Priority Date: 10/22/1991
  • Status: Expired due to Fees
First Claim
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1. An air cleaner for use with a rigid engine air intake tube, said air cleaner comprising:

  • a. an outer shell having first and second ends;

    b. a tubular filter element located within said outer shell and defining a space therebetween, said filter element having first and second ends and an inner opening;

    c. a tubular nozzle element located in said inner opening, having first and second ends, comprising a perforated filter element support portion at said first end, a generally centrally located throat portion, and a noise suppressing portion converging from a nozzle element outlet at said second end to said throat;

    d. a first end cap fixed to and forming a fluid-tight junction with each of said first ends;

    e. a second end cap affixed to and forming a fluid-tight junction with each of said second ends, said second end cap having an aperture with a periphery aligned with said nozzle element outlet; and

    f. at least one air intake aperture in said air cleaner located to place said space between said shell and said filter element in fluid communication with air outside the air cleaner.

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