Washing machine

US20130055769A1Inactive Publication Date: 2013-03-07SAMSUNG ELECTRONICS CO LTD
1 Cites 5 Cited by

Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
Publication Date
2013-03-07
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A washing machine capable of protecting a water seal to prevent foreign substance from being stuck or accumulated inside the water seal, so that the water seal is prevented from being worn out. The washing machine includes a tub configured to accommodate wash water, a rotary tub rotatably installed inside the tub, a pulsator rotatably disposed inside the rotary tub, a driving shaft connected to the rotary tub and the pulsator, a support member installed on the driving shaft, a water seal installed between the driving shaft and the tub, and a protection member provided between the support member and the water seal to prevent foreign substance from being introduced into the water seal.
Need to check novelty before this filing date? Find Prior Art

Description

CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application claims the benefit of Korean Patent Application No. 2011-0089417, filed on Sep. 5, 2011 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference.BACKGROUND

[0002] 1. Field

[0003] Embodiments of the present disclosure relate to a washing machine having a protection member configured to protect a water seal.

[0004] 2. Description of the Related Art

[0005] A washing machine is an apparatus configured to wash a laundry by use of electric power. In general, the washing machine includes a tub configured to store awash water, a rotary tub rotatably installed inside the tub, a pulsator rotatably installed on the bottom of the rotary tub, and a power transmission apparatus configured to selectively transmit a power to the rotary tub or the pulsator.

[0006] As an example of such a power transmission apparatus, a clutch apparatus is disclosed in Korean Patent Application No. 10-2002-0004043. Accor...

Examples

Embodiment Construction

[0050]Reference will now be made in detail to the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

[0051]Referring to FIGS. 1 and 2, a washing machine 1 includes a tub 11 installed inside a body 10, a rotary tub 12 rotatably installed inside the tub 11, and a pulsator 13 rotatably installed at a lower side of the rotary tub 12 inside the rotary tub 12.

[0052]The tub 11 is supported by a plurality of suspensions 18 hung on an upper side of the body 10 inside the body 10.

[0053]A water supply apparatus 14 is installed at an upper side of the tub 11 to supply a wash water to the tub 11. A water drain apparatus 15 is installed at a lower side of the tub 11 to drain the wash water outside the tub 11.

[0054]In addition, a driving motor 19 and a driving unit are installed at the lower side of the tub 11 to drive the pulsator 13, and the rotary tub 12. The driving unit is con...