Patent ID: 11904092
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A  F | IPC A  F

Claim 0:
1. An air-blowing device comprising:
an air blower; and
a housing including a first cavity and a second cavity and accommodating the air blower, wherein a fluid flows into the first cavity and is discharged from the second cavity when the air blower is driven,
wherein the housing is expandable and contractible so as to change an internal volume of the housing, wherein the housing includes a first portion and a second portion, the first portion defining a first space with said air blower therein, the second portion being configured to move relative to the first portion between a first form and a second form, wherein the second portion covers a part of the first portion and defines a second space when the second portion is moved to the second form, and wherein the first portion includes a partition-wall portion partitioning the second space and the first space from each other.