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Vacuum cleaner having silencer mechanism

  • US 5,159,738 A
  • Filed: 01/10/1992
  • Issued: 11/03/1992
  • Est. Priority Date: 06/06/1988
  • Status: Expired due to Fees
First Claim
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1. A vacuum cleaner having a silencer mechanism comprising:

  • a vacuum cleaner main body,a blower receiving chamber means for receiving an electric driven blower provided in said vacuum cleaner main body,a cord winding apparatus receiving chamber means for receiving a cord winding apparatus provided parallel to said blower receiving chamber means in said vacuum cleaner main body, a blower cover for surrounding said blower, an exhaust air duct forming an exhaust air flow passage for bypassing an exhaust air from a side of said blower receiving chamber means, andan expansion chamber means formed between said blower receiving chamber means and an exhaust air port of said vacuum cleaner main body,wherein said exhaust air duct comprises said blower cover a side wall portion of said cord winding apparatus receiving chamber means and a side wall portion of said blower receiving chamber means,said exhaust air duct is formed integrally with said blower cover, andwherein said exhaust air duct is provided between said blower receiving chamber means and said cord winding apparatus receiving chamber means, whereby the exhaust air exhausted from said blower receiving chamber means flows toward a front side once in said exhaust air duct and changes a direction toward a rear side in said exhaust air duct, and further flows into said expansion chamber means and is exhausted from said expansion chamber means through said exhaust air port of said vacuum cleaner main body.

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