US3743240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly
Assignee: Wells Fargo Bank NA
•
Filing: 1971-02-25
•
Granted: 1973-07-03
•
Expires: 1991-02-25
Abstract
Abstract An improved solenoid valve assembly is provided which is particularly suitable for vending hot liquids, such as coffee, from a vending machine. The solenoid valve is operated in a selfcontained sealed unit, and it is insertable into a valve housing, for example, by a threaded engagement without the need of tools.
Inventors
- 👤 D Merriner
- 👤 W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:14
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; F16K31/0658; F16K31/0672
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
198 words
A valve assembly including: a housing including a first tubular inlet section and a second tubular outlet section disposed in transverse relationship with one another, said first tubular section having an inner end defining a valve seat; and a solenoid unit removably mounted on said housing and including a reciprocally linearly movable plunger coaxial with said first tubular section and positioned selectively to seat against said valve seat, said solenoid unit including a rod-like core member coaxial with said plunger and normally axially spaced therefrom; a tube coaxial with said core member and said plunger and surrounding said core and said plunger, said tube being adhesively attached to said core, and said plunger being axially movable in said tube; a coil mounted on said tube in coaxial relationship therewith; a casing surrounding said coil in coaxial relationship therewith and having a necked end portion extending inwardly around one end of said coil towards said tube and axially along said tube in press-fit therewith; an adapter nut mounted adjacent said necked end portion of said casing, said tube having a radially outwardly flared end portion engaging said adapter nut and holding said adapter nut in position on said assembly.
Claim 2
Dependent Claim
198 words
A valve assembly including: a housing including a first tubular inlet section and a second tubular outlet section disposed in transverse relationship with one another, said first tubular section having an inner end defining a valve seat; and a solenoid unit removably mounted on said housing and including a reciprocally linearly movable plunger coaxial with said first tubular section and positioned selectively to seat against said valve seat, said solenoid unit including a rod-like core member coaxial with said plunger and normally axially spaced therefrom; a tube coaxial with said core member and said plunger and surrounding said core and said plunger, said tube being adhesively attached to said core, and said plunger being axially movable in said tube; a coil mounted on said tube in coaxial relationship therewith; a casing surrounding said coil in coaxial relationship therewith and having a necked end portion extending inwardly around one end of said coil towards said tube and axially along said tube in press-fit therewith; an adapter nut mounted adjacent said necked end portion of said casing, said tube having a radially outwardly flared end portion engaging said adapter nut and holding said adapter nut in position on said assembly.
Claim 3
Dependent Claim
24 words
The valve assembly defined in claim 1, in which said inlet section and said outlet section are disposed at right angles to one another.
Claim 4
Dependent Claim
31 words
The valve assembly defined in claim 1, and which includes a flexible web-like member surrounding the end of said plunger and sealing the solenoid unit from fluid in said valve housing.
Claim 5
Dependent Claim
27 words
The valve assembly defined in claim 1, in which said solenoid unit is threadably engaged with the end of said first tubular section in coaxial relationship therewith.
Claim 6
Dependent Claim
33 words
The valve assembly defined in claim 3, and which includes a coil spring in said solenoid unit surrounding said plunger and normally biasing said plunger and said web-like member against said valve seat.
Claim 7
Dependent Claim
29 words
The valve assembly defined in claim 1, and which includes an O-ring surrounding the end of said plunger and sealing the solenoid unit from fluid in said valve housing.
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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |