Damping device for a receiver of a hearing instrument and hearing instrument having such a damping device

Patent metadata

Field	Value
Publication number	US-10873818-B2
Application number	US-201916537681-A
Country	US
Kind code	B2
Filing date	Aug 12, 2019
Priority date	Aug 24, 2018
Publication date	Dec 22, 2020
Grant date	Dec 22, 2020

Abstract

A damping device for the anti-vibration mounting of a receiver within a hearing instrument includes an elastic damping element, a cage connected to the elastic damping element, and a shell surrounding the cage. The elastic damping element and at least a part of the shell have a lower hardness than the cage. A hearing instrument having a corresponding damping device is also provided.

First claim

The invention claimed is:

1. A damping assembly for a hearing instrument, the damping assembly comprising:
a receiver;
a damping device for anti-vibration mounting of said receiver within said damping device, said damping device including:
an elastic damping element;
a cage connected to said elastic damping element; and
a shell surrounding said cage;

said elastic damping element and at least a part of said shell having a lower hardness than said cage.

2. The damping assembly according to claim 1 , wherein said damping element is formed of an elastomer material with a Shore hardness in a range between 20 and 30.

3. The damping assembly according to claim 1 , wherein said shell is at least partially formed of an elastomer material with a Shore hardness in a range between 50 and 60.

4. The damping assembly according to claim 1 , wherein said cage is formed of a dimensionally stable plastic or a metallic material.

5. The damping assembly according to claim 1 , wherein said elastic damping element is disposed on an inner periphery of said cage.

6. The damping assembly according to claim 1 , wherein said shell is formed as a casing enclosing said damping element in an airtight manner.

7. A hearing instrument, comprising:
a housing;
and
a damping assembly according to claim 1 mounting said receiver within said housing in an anti-vibration manner.

8. The hearing instrument according to claim 7 , wherein said housing has a wall, and said shell of said damping device is at least partly in contact with said wall.

9. The damping assembly according to claim 1 , wherein said receiver has an outer surface disposed within said damping device.

10. The damping assembly according to claim 1 , wherein said receiver has a housing disposed within said damping device.

Assignees

• Sivantos Pte Ltd

Inventors

• Flaig Uwe
• Ritter Hartmut

Classifications

• H04R25/60 Primary

  Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles (ear wax retarders, e.g. mounting thereof H04R25/654) · CPC title

• H04R25/456

  mechanically · CPC title

• H04R25/604 Primary

  of acoustic or vibrational transducers · CPC title

• H04R25/65

  Housing parts, e.g. shells, tips or moulds, or their manufacture · CPC title

• H04R25/45

  Prevention of acoustic reaction, i.e. acoustic oscillatory feedback · CPC title