US3849093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaner for automobiles
Assignee: Denso Corp
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Filing: 1972-09-15
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Granted: 1974-11-19
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Expires: 1992-09-15
Abstract
Abstract An air cleaner for automobiles having an air cleaning filter element within an air cleaner casing is provided with a fuel receiving plate therein for catching fuel leaking out of the float chamber of the carburetor connected with the cleaner in such occasions that the automobile turns sideways. The fuel receiving plate is provided along the inner periphery of an air outlet of the air cleaner.
Inventors
- 👤 M Konishi
- 👤 K Hikita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:12
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/0084; B01D46/0089; B01D46/0027; B01D46/0036; B01D46/24; B01D46/2403; B01D46/2411; F; F02; F02M; F02M35/00; F02M35/02; F02M35/04; B01D2271/00; B01D2271/02; B01D2271/022; B01D2279/00; B01D2279/60; Y; Y10; Y10S; Y10S55/00; Y10S55/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
197 words
An automotive air cleaner, including: an annular air cleaning filter element; housing means enclosing the filter element and including means sealing with the axially opposite ends of the filter element; the housing means further including means defining an inlet thereto disposed radially outwardly of the filter element sealing means and means defining an outlet therefrom disposed generally centrally of the filter element and opening through the bottom of the housing radially inwardly of the sealing means, completing a passageway for air extending from said inlet, through the filter element and out the outlet; wall means defining, when secured in said housing, a liquidtight annular receptacle within said housing having a mouth opening radially inwardly surrounding said outlet and being disposed radially inwardly from the filter element; means securing the receptacle wall means with respect to the housing for preventing said passageway from extending under the receptacle, whereby said passageway extends over the outside of the receptacle and down past the mouth thereof to reach said outlet, the receptacle being thereby positioned to trap liquid fuel escaping into the air cleaner through said outlet if and when the automotive vehicle incorporating the air cleaner turns on its side.
Claim 2
Dependent Claim
197 words
An automotive air cleaner, including: an annular air cleaning filter element; housing means enclosing the filter element and including means sealing with the axially opposite ends of the filter element; the housing means further including means defining an inlet thereto disposed radially outwardly of the filter element sealing means and means defining an outlet therefrom disposed generally centrally of the filter element and opening through the bottom of the housing radially inwardly of the sealing means, completing a passageway for air extending from said inlet, through the filter element and out the outlet; wall means defining, when secured in said housing, a liquidtight annular receptacle within said housing having a mouth opening radially inwardly surrounding said outlet and being disposed radially inwardly from the filter element; means securing the receptacle wall means with respect to the housing for preventing said passageway from extending under the receptacle, whereby said passageway extends over the outside of the receptacle and down past the mouth thereof to reach said outlet, the receptacle being thereby positioned to trap liquid fuel escaping into the air cleaner through said outlet if and when the automotive vehicle incorporating the air cleaner turns on its side.
Claim 3
Dependent Claim
22 words
The automotive air cleaner of claim 1 further including a body of absorbent material for liquid fuel, disposed in the annular receptacle.
Claim 4
Dependent Claim
101 words
The automotive air cleaner of claim 1 further including means defining a second liquid-tight annular receptacle within said housing having a mouth opening radially inwardly spaced above the first-mentioned receptacle and disposed radially inwardly from the filter element; means securing the second receptacle with respect to the housing for preventing said passageway from extending over the second receptacle, whereby said passageway extends under the outside of the second receptacle and between the first-mentioned and second receptacles, the second receptacle being thereby positioned to trap liquid fuel escaping into the air cleaner through said outlet as a supplement to the first-mentioned receptacle.
Claim 5
Dependent Claim
22 words
The automotive air cleaner of claim 3 further including a body of absorbent material for liquId fuel, disposed in the second receptacle.
Claim 6
Dependent Claim
64 words
The automotive air cleaner of claim 1 wherein the lower extent of the receptacle is defined by the interior of the housing itself and wherein the remainder of the receptacle is defined by an annular plate having a lower, radially outer edge region in contact with the interior of the housing and an upper, radially inner edge region curving downward toward the air outlet.
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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |