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US3762683A
Expired / Lapsed
US
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Flow-through type solenoid valves
Assignee: Individual
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Filing: 1970-08-31
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Granted: 1973-10-02
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Expires: 1990-08-31
Abstract
Abstract An electrically operated flow-through solenoid valve designed for remote and/or control applications that has a reduced current ''''hold open'''' position. The three possible operating states of my valve are: (1) closed to inhibit flow, (2) transient to open and open to allow flow, with maximum energizing current, (3) open to allow flow, with energizing current reduced from maximum.
Inventors
- 👤 D Sangl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:19
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; B; B01; B01J; B01J21/00; B01J21/14; F16K31/0651; F16K31/0675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A flow-through type solenoid valve including a valve body having a flow passage therethrough, a solenoid surrounding said body, a magnetic armature within said flow passage and including a valve head portion at one end and a flaT imperforate surface at the opposite end, a valve seat in said flow passage, a magnetic stator element within said flow passage having a flat imperforate surface facing said armature surface, and a spring surrounding at least a portion of each of said armature and stator.
Claim 2
Dependent Claim
83 words
A flow-through type solenoid valve including a valve body having a flow passage therethrough, a solenoid surrounding said body, a magnetic armature within said flow passage and including a valve head portion at one end and a flaT imperforate surface at the opposite end, a valve seat in said flow passage, a magnetic stator element within said flow passage having a flat imperforate surface facing said armature surface, and a spring surrounding at least a portion of each of said armature and stator.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |