| 摘要 |
PROBLEM TO BE SOLVED: To provide a compressor which reduces cost, has a compact structure, is economically manufactured, and can be used for generating pressure variations superimposing on aerosol generated by a pressurized gas flow for atomizing a therapeutic solution. SOLUTION: The compressor comprises two compression spaces 1, 5 separate from one another, one of which serves to generate the continuous pressure medium flow for the generation of a basic aerosol flow, whereas the other is used to generate the pressure variations. The shared compression means 4, for example a piston, is moved in a pendulum motion by a moving means 7 so that a gas is conveyed through the first compression space 1 and pressure variations are imposed upon a gas via the second compression space 5. The moving means 7 is disposed in the compression spaces 1 and 5. Thereby spaces required for the compressor are effectively utilized. In a preferred embodiment the moving means 7 is located in the second compression space 5 that is used to generate the pressure variations. COPYRIGHT: (C)2007,JPO&INPIT |
