US4721185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil container arrangement for vehicles
Assignee: Robert Bosch GmbH
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Filing: 1986-04-24
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Granted: 1988-01-26
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Expires: 2006-04-24
Abstract
Abstract A container arrangement for supplying with an oil a hydraulic system and a transmission of a vehicle, the arrangement comprises an element containing a supply of an oil to be used both for a hydraulic system and a transmission of the vehicle, a lubricant pump for supplying the oil to the transmission, a hydraulic pump for supplying the oil to the hydraulic system, and an additional container located above an oil level in the element so that the hydraulic pump aspirates always filtered oil from the additional container for the hydraulic system.
Inventors
- 👤 Dieter Weigle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:00
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/0447; B; B60; B60R; B60R16/00; B60R16/08; B60R17/00; F16H61/00; F16H61/0021; F16H2061/0037; F16H57/0434; F16H57/0441; F16H57/0446; F16H57/045; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19991
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
92 words
A container arrangement for supplying with oil a hydraulic system and a transmission of a vehicle, the arrangement comprising means containing a supply of oil to be used both for a hydraulic system and a transmission of the vehicle; a lubricant pump for supplying oil to the transmission; a hydraulic pump for supplying oil to the hydraulic system; and an additional container located above an oil level in said means and accommodating filtered oil, said hydraulic pump arranged to aspirate always filtered oil from said additional container for supplying the hydraulic system.
Claim 2
Dependent Claim
92 words
A container arrangement for supplying with oil a hydraulic system and a transmission of a vehicle, the arrangement comprising means containing a supply of oil to be used both for a hydraulic system and a transmission of the vehicle; a lubricant pump for supplying oil to the transmission; a hydraulic pump for supplying oil to the hydraulic system; and an additional container located above an oil level in said means and accommodating filtered oil, said hydraulic pump arranged to aspirate always filtered oil from said additional container for supplying the hydraulic system.
Claim 3
Dependent Claim
27 words
A container arrangement as defined in claim 1, wherein said means containing a supply of an oil includes a transmission housing in which the oil is contained.
Claim 4
Dependent Claim
34 words
A container arrangement as defined in claim 1; and further comprising a return conduit for returning the oil from the hydraulic system into said additional container; and a filter arranged in said return conduit.
Claim 5
Dependent Claim
44 words
A container arrangement as defined in claim 1; and further comprising a conduit which leads from said lubricant pump to said additional container for compensating for leakage losses; and a filter arranged in said conduit leading from said lubricant pump to said additional container.
Claim 6
Dependent Claim
147 words
A container arrangement for supplying with oil a hydraulic system and a transmission of a vehicle, the arrangement comprising means containing a supply of oil to be used both for a hydraulic system and a transmission of the housing, said means including a transmission housing having a lower part and an upper part and accommodating oil in an oil sump in said lower part with a predetermined oil level, and an additional container located in said upper part of said transmission housing above said oil level and provided with means for filtering oil; a lubricant pump arranged to aspirate oil from the oil sump in said lower part of said transmission housing and supply oil to the transmission; and a hydraulic pump arranged to aspirate oil which has been filtered, from said additional container and supply the filtered oil from said additional container to the hydraulic system.
Claim 7
Dependent Claim
147 words
A container arrangement for supplying with oil a hydraulic system and a transmission of a vehicle, the arrangement comprising means containing a supply of oil to be used both for a hydraulic system and a transmission of the housing, said means including a transmission housing having a lower part and an upper part and accommodating oil in an oil sump in said lower part with a predetermined oil level, and an additional container located in said upper part of said transmission housing above said oil level and provided with means for filtering oil; a lubricant pump arranged to aspirate oil from the oil sump in said lower part of said transmission housing and supply oil to the transmission; and a hydraulic pump arranged to aspirate oil which has been filtered, from said additional container and supply the filtered oil from said additional container to the hydraulic system.
References Cited (Backward Citations)
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US4531368A
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US4531485A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-25 | 1991-07-27 | 1992-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-25 | 1995-07-27 | 1996-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-25 | 1999-07-27 | 2000-01-26 | $7700.00 | Window Closed / Lapsed |