Patent US3648436A successfully refreshed from Google Patents.
US3648436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline vapor recovery
Assignee: Ingersoll Rand Research Inc
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Filing: 1970-03-26
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Granted: 1972-03-14
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Expires: 1990-03-26
Abstract
Abstract A vapor recovery device in which the vapors expelled from a tank into which gasoline is being pumped is conducted into a container in which cooling coils are disposed for cooling of the vapors flowing upwards around these coils. Also disposed in the container, downstream of the flow path of the vapors, is a spray ring for spraying refrigerated gasoline downwardly for absorption of the vapors cooled by the cooling coils. The coolant for the cooling coils and the spray ring is obtained from the lower section of the container containing gasoline refrigerated by means of a commonly known refrigeration system. The device may include beds of packing material positioned in the flow path of the vapors and refrigerated gasoline to increase vapor recovery.
Inventors
- 👤 Roger L Schonewald
- 👤 Victor Kevorkian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:14
CPC Classifications
B; B01; B01D; B01D5/00; B01D5/0027; B01D5/003; B01D5/0033; B01D5/0036; B01D5/0078; B01D5/0087; C; C10; C10G; C10G5/00; C10G5/06; B01D2259/00; B01D2259/45; B01D2259/4516
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
87 words
Apparatus for recovering vapors from a tank into which a volatile liquid is introduced and said vapors are forced out of said tank, comprising a container connected to said tank for flow of said vapors in said container, means in said container to cause said vapors to be cooled, a source of refrigerant, means to distribute said refrigerant in said container for exposure thereof to said flowing cooled vapors to absorb said vapors, and means to discharge only said distributed refrigerant and absorbed vapor from said container.
Claim 2
Dependent Claim
122 words
Apparatus for recovering vapors from a tank into which a volatile liquid is introduced and said vapors are forced out of said tank, comprising a container connected to said tank for flow of said vapors in said container, a source of refrigerant, a cooling coil disposed in said container in the flow path of said vapors connected to said source of refrigerant to cool said vapors flowing therearound, distribution means in said container positioned downstream of the flow path of said vapors connected to said source of refrigerant to cause said refrigerant to be distributed for exposure to said flowing cooled vapors to thereby absorb said vapors, and means to discharge only said exposed refrigerant and said absorbed vapors from said container.
Claim 3
Dependent Claim
202 words
Apparatus for recovering vapors from a tank into which a volatile liquid is introduced and said vapors are forced out of said tank, comprising a container having an upper section and a lower seCtion, said upper section of said container being connected to said tank for said vapors to flow from the lower end portion towards the upper end portion of said upper section of said container, a cooling coil disposed in said upper section of said container in the flow path of said vapors, distribution means disposed in said upper section of said container downstream of the flow path of said vapors, said lower section of said container containing a portion of said volatile liquid, refrigeration means operably associated with said volatile liquid in said lower section of said container to refrigerate said volatile liquid, means to supply said refrigerated volatile liquid to said cooling coil and said distribution means to cause said vapors to be cooled and to cause said volatile liquid to be distributed and exposed to said flowing cooled vapors to effect absorbtion of said cooled vapors by said refrigerated volatile liquid, and means to discharge only said exposed volatile liquid and vapors absorbed thereby from said container.
Claim 4
Dependent Claim
35 words
Apparatus according to claim 4 including at least one body of packing material positioned in the flow path of said vapors and said distributed liquid to increase exposure of said distributed liquid to said vapors.
Claim 5
Dependent Claim
194 words
Apparatus for recovering vapors from a tank into which a gasoline is introduced and said vapors are forced out of said tank, comprising a container having an upper section and a lower section, said upper section of said container being connected to said tank for said vapors to flow from the lower end portion towards the upper end portion of said upper section of said container, a cooling coil disposed in said upper section of said container in the flow path of said vapors, distribution means disposed in said upper section of said container downstream of the flow path of said vapors, said lower section of said container containing a portion of said gasoline, refrigeration means operably associated with said gasoline in said lower section of said container to refrigerate said gasoline, means to supply said refrigerated gasoline to said cooling coil and said distribution means to cause said vapors to be cooled and to cause said gasoline to be distributed and exposed to said flowing cooled vapors to effect absorbtion of said cooled vapors by said refrigerated gasoline, and means to discharge only said exposed gasoline and vapors absorbed thereby from said container.
Claim 6
Dependent Claim
64 words
Method of collecting and recovering vapors evolved during the filling of a tank with a volatile liquid, comprising: collecting the vapors in a container, cooling said vapors, cooling a portion of said volatile liquid, absorbing said cooled vapors in a flow of said cooled volatile liquid within the container, and recovering only said flow of volatile liquid and vapors absorbed therein from the container.
Claim 7
Dependent Claim
62 words
Method of collecting and recovering vapors evolved during the filling of a tank with gasoline, comprising: collecting the vapors in a container, cooling said vapors, cooling a portion of said gasoline, distributing said cooled gasoline within the container in the flow of said vapors to absorb said vapors, and recovering only said distributed gasoline and said vapors absorbed therein from said container.
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) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |