Suction nozzle and electric vacuum cleaner including the same

Inactive Publication Date: 2017-11-16
NIDEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The preferred embodiment of the patent is for a suction nozzle that improves suction efficiency. Another embodiment is for an electric vacuum cleaner that includes this suction nozzle. This causes the vacuum cleaner to work better and more effectively.

Problems solved by technology

This may cause a turbulence in the suction chamber, resulting in reduced suction efficiency of the suction head.

Method used

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  • Suction nozzle and electric vacuum cleaner including the same
  • Suction nozzle and electric vacuum cleaner including the same
  • Suction nozzle and electric vacuum cleaner including the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030]Hereinafter, preferred embodiments of the disclosure will be described in detail with reference to the accompanying drawings. It is assumed herein that a direction toward a floor F (i.e., a surface to be cleaned) illustrated in FIG. 3 is a downward direction, while a direction away from the floor F is an upward direction. It is also assumed herein that, with respect to a front-rear direction, a direction leading from an electric blower 7 to a suction inlet 4 is a forward direction, while a direction leading from the suction inlet 4 to the electric blower 7 is a rearward direction. It is also assumed herein that a direction perpendicular to the front-rear direction and parallel to the floor F is a right-left direction (i.e., a longitudinal direction). It is also assumed herein that a surface parallel to the front-rear direction and perpendicular to the right-left direction is referred to as a “side surface”. It is also assumed herein that an upstream side and a downstream side ...

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PUM

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Abstract

A suction nozzle of an electric vacuum cleaner including an electric blower, includes a suction inlet; an outlet; a suction passage extending along a center line joining a middle of the suction inlet in the longitudinal direction and a middle of the outlet in the longitudinal direction to connect the suction inlet and the outlet; and partition walls arranged in the suction passage to extend from the suction inlet side to the outlet side. The suction passage includes a main passage and division passages arranged on both outer sides of the main passage. The main passage and the division passages are divided in the longitudinal direction of the suction inlet by the partition walls. A width of the main passage at the suction inlet measured in the longitudinal direction is arranged to be greater than a width of the main passage at the outlet measured in the longitudinal direction.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims the priority benefit of Japan application serial no. 2016-094466, filed on May 10, 2016. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of this specification.BACKGROUND OF THE DISCLOSURE1. Field of the Disclosure[0002]The disclosure relates to a suction nozzle for sucking air, and an electric vacuum cleaner including the same.2. Description of the Related Art[0003]A known electric vacuum cleaner is disclosed in JP-A 2015-70960. This electric vacuum cleaner includes a case including an air inlet and a discharge outlet for air, and an air passage that connects the air inlet and the discharge outlet is defined in the case. In the air passage, an electric blower that produces an air flow is arranged, and a dust collection portion that collects waste flowing in the air passage, such as, for example, dust, is arranged on the upstream side of the electric b...

Claims

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Application Information

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IPC IPC(8): A47L9/02A47L9/28A47L5/36A47L5/24A47L9/14
CPCA47L9/02A47L5/362A47L5/24A47L9/1409A47L9/2857A47L9/2805A47L9/2852A47L9/2842A47L9/2894A47L2201/04
InventorLIU, CHUN-HSIENICHIZAKI, HIROYUKILI, BO-YI
OwnerNIDEC CORP