US5054477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nebulizer
Assignee: Omron Healthcare Co Ltd
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Filing: 1989-01-10
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Granted: 1991-10-08
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Expires: 2009-01-10
Abstract
Abstract A nebulizer comprising a housing having a liquid reservoir at a lower portion thereof and an atomizer space and an atomized liquid discharge port both communicating with the liquid reservoir at an upper portion thereof, a compressed air introduction pipe formed with a nozzle at an end thereof and a liquid suction pipe for sucking liquid in the liquid reservoir, both pipes being provided at a lower portion of the housing, wherein said liquid suction pipe is removably fitted to said compressed air introduction pipe, and a gap between said compressed air introduction pipe and said liquid suction pipe is used as a liquid suction passage.
Inventors
- 👤 Takao Terada
- 👤 Toshiyuki Kobayashi
- 👤 Tamio Miyake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/06; A61M11/001; A61M11/002; A61M16/00; A61M16/10; A61M16/12; A61M16/122; A61M16/125; A61M2209/00; A61M2209/08; A61M2209/082; B; B05; B05B; B05B7/00; B05B7/0012; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2429; B05B7/2435
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
197 words
A nebulizer, comprising: a housing having a liquid reservoir located at a lower portion thereof and an atomizer space and an atomized liquid discharge port located at an upper portion thereof, said atomizer space and said atomized liquid discharge port communicating with said liquid reservoir; a compressed air introduction pipe provided at the lower portion of the housing, said compressed air introduction pipe having a nozzle; a liquid suction pipe provided at the lower portion of the housing for sucking liquid in the liquid reservoir, said liquid suction pipe being removably fitted to said compressed air introduction pipe so that a liquid suction passage is formed between said liquid suction pipe and said compressed air introduction pipe, said liquid suction passage having an opening; a baffle support disposed around said liquid suction pipe; two support poles projecting from said baffle support; an arm extending between said support poles; and a baffle connected to said arm, said baffle being disposed near the nozzle of the compressed air introduction pipe and the opening of the liquid suction passage, said baffle being formed as a parallelpiped of narrow width with a curved lower surface facing said nozzle and said opening.
Claim 2
Dependent Claim
197 words
A nebulizer, comprising: a housing having a liquid reservoir located at a lower portion thereof and an atomizer space and an atomized liquid discharge port located at an upper portion thereof, said atomizer space and said atomized liquid discharge port communicating with said liquid reservoir; a compressed air introduction pipe provided at the lower portion of the housing, said compressed air introduction pipe having a nozzle; a liquid suction pipe provided at the lower portion of the housing for sucking liquid in the liquid reservoir, said liquid suction pipe being removably fitted to said compressed air introduction pipe so that a liquid suction passage is formed between said liquid suction pipe and said compressed air introduction pipe, said liquid suction passage having an opening; a baffle support disposed around said liquid suction pipe; two support poles projecting from said baffle support; an arm extending between said support poles; and a baffle connected to said arm, said baffle being disposed near the nozzle of the compressed air introduction pipe and the opening of the liquid suction passage, said baffle being formed as a parallelpiped of narrow width with a curved lower surface facing said nozzle and said opening.
Claim 3
Dependent Claim
41 words
The nebulizer as claimed in claim 1, further comprising an air tube connected to said compressed air introduction pipe, and a compressor for feeding air to said air tube, wherein said compressor is of a linear motor driven free piston type.
Claim 4
Dependent Claim
198 words
A nebulizer, comprising: a housing having a liquid reservoir located at a lower portion thereof and an atomizer space and an atomized liquid discharge port located at an upper portion thereof, said atomizer space and said atomized liquid discharge port communicating with said liquid reservoir; a compressed air introduction pipe provided at the lower portion of the housing, said compressed air introduction pipe having a nozzle; a liquid suction pipe provided at the lower portion of the housing for sucking liquid in the liquid reservoir, said liquid suction pipe being removably fitted to said compressed air introduction pipe so that a liquid suction passage is formed between said liquid suction pipe and said compressed air introduction pipe, said liquid suction passage having an opening; a baffle disposed near the nozzle of the compressed air introduction pipe and the opening of the liquid suction passage; an external air introduction pipe supported at the upper portion of the housing and extending downward into said housing; and means for adjusting the position of the baffle relative to the nozzle, said adjusting means extending through said external air introduction pipe and being supported by a threaded portion located at said upper portion.
Claim 5
Dependent Claim
198 words
A nebulizer, comprising: a housing having a liquid reservoir located at a lower portion thereof and an atomizer space and an atomized liquid discharge port located at an upper portion thereof, said atomizer space and said atomized liquid discharge port communicating with said liquid reservoir; a compressed air introduction pipe provided at the lower portion of the housing, said compressed air introduction pipe having a nozzle; a liquid suction pipe provided at the lower portion of the housing for sucking liquid in the liquid reservoir, said liquid suction pipe being removably fitted to said compressed air introduction pipe so that a liquid suction passage is formed between said liquid suction pipe and said compressed air introduction pipe, said liquid suction passage having an opening; a baffle disposed near the nozzle of the compressed air introduction pipe and the opening of the liquid suction passage; an external air introduction pipe supported at the upper portion of the housing and extending downward into said housing; and means for adjusting the position of the baffle relative to the nozzle, said adjusting means extending through said external air introduction pipe and being supported by a threaded portion located at said upper portion.
Claim 6
Dependent Claim
21 words
The nebulizer as claimed in claim 3, wherein said adjusting means comprises a rod having threads which engage said threaded portion.
Claim 7
Dependent Claim
41 words
The nebulizer as claimed in claim 3, further comprising an air tube connected to said compressed air introduction pipe, and a compressor for feeding air to said air tube, wherein said compressor is of a linear motor driven free piston type.
Claim 8
Dependent Claim
180 words
A nebulizer, comprising: a housing having a liquid reservoir located at a lower portion thereof and an atomizer space and an atomized liquid discharge port located at an upper portion thereof, said atomizer space and said atomized liquid discharge port communicating with said liquid reservoir; a compressed air introduction pipe provided at the lower portion of the housing, said compressed air introduction pipe having a nozzle; a liquid suction pipe provided at the lower portion of the housing for sucking liquid in the liquid reservoir, said liquid suction pipe being removably fitted to said compressed air introduction pipe so that a liquid suction passage is formed between said liquid suction pipe and said compressed air introduction pipe, said liquid suction passage having an opening; a plurality of baffles disposed near the nozzle of the compressed air introduction pipe and the opening of the liquid suction passage; and means for adjusting the position of the baffles relative to the nozzle, said adjusting means being pivotable so that one of said baffles can be selectively placed so as to confront said nozzle.
Claim 9
Dependent Claim
180 words
A nebulizer, comprising: a housing having a liquid reservoir located at a lower portion thereof and an atomizer space and an atomized liquid discharge port located at an upper portion thereof, said atomizer space and said atomized liquid discharge port communicating with said liquid reservoir; a compressed air introduction pipe provided at the lower portion of the housing, said compressed air introduction pipe having a nozzle; a liquid suction pipe provided at the lower portion of the housing for sucking liquid in the liquid reservoir, said liquid suction pipe being removably fitted to said compressed air introduction pipe so that a liquid suction passage is formed between said liquid suction pipe and said compressed air introduction pipe, said liquid suction passage having an opening; a plurality of baffles disposed near the nozzle of the compressed air introduction pipe and the opening of the liquid suction passage; and means for adjusting the position of the baffles relative to the nozzle, said adjusting means being pivotable so that one of said baffles can be selectively placed so as to confront said nozzle.
Claim 10
Dependent Claim
34 words
The nebulizer as claimed in claim 6, further comprising a threaded portion located at said upper portion of the housing, wherein said adjusting means comprises a rod having threads which engage said threaded portion.
Claim 11
Dependent Claim
41 words
The nebulizer as claimed in claim 6, further comprising an air tube connected to said compressed air introduction pipe, and a compressor for feeding air to said air tube, wherein said compressor is of a linear motor driven free piston type.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-07 | 1995-04-08 | 1995-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-07 | 1999-04-08 | 1999-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-07 | 2003-04-08 | 2003-10-08 | $7700.00 | Window Closed / Lapsed |