Patent US4089348A successfully refreshed from Google Patents.
US4089348A
Expired / Lapsed
US
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Reed valve
Assignee: Toyota Motor Corp
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Filing: 1976-07-02
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Granted: 1978-05-16
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Expires: 1996-07-02
Abstract
Abstract This application discloses a reed valve which comprises a means for keeping the reed sealingly seated on the valve seat.
Inventors
- 👤 Toshiro Yoshida
- 👤 Katsujiro Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:00
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/16; F16K15/162; F16K15/18; F16K15/182; F16K15/1825; F16K15/184; F16K15/1845; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891; Y10T137/7892
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A reed valve comprising: a valve body having a passage for gas; a valve seat made of sealing material arranged on the upper surface of said valve body; a hollow projection aligned with said passage, located on the underside of said valve body and made of magnetic material; a reed made of resilient magnetic material with one end secured to said valve body by a screw while the other end is freely movable, the reed being arranged on said valve seat to close by its own resilience said passage when the pressure difference between the upper side and the lower side thereof is small; a stopper for said reed arranged over said reed and secured to said valve body by said screw; and a solenoid arranged around said projection for magnetizing said reed, so as to close the valve with certainty and prevent undesirable and unintentional opening of the valve.
Claim 2
Dependent Claim
150 words
A reed valve comprising: a valve body having a passage for gas; a valve seat made of sealing material arranged on the upper surface of said valve body; a hollow projection aligned with said passage, located on the underside of said valve body and made of magnetic material; a reed made of resilient magnetic material with one end secured to said valve body by a screw while the other end is freely movable, the reed being arranged on said valve seat to close by its own resilience said passage when the pressure difference between the upper side and the lower side thereof is small; a stopper for said reed arranged over said reed and secured to said valve body by said screw; and a solenoid arranged around said projection for magnetizing said reed, so as to close the valve with certainty and prevent undesirable and unintentional opening of the valve.
References Cited (Backward Citations)
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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) | 1981-05-15 | 1981-11-14 | 1982-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-15 | 1985-11-14 | 1986-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-15 | 1989-11-14 | 1990-05-16 | $7700.00 | Window Closed / Lapsed |