US5090376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Main gallery - filter connection
Assignee: KJ MANUFACTURING Co 48553 WEST ROAD WIXOM MI 48096 A CORP OF MI
•
Filing: 1991-02-21
•
Granted: 1992-02-25
•
Expires: 2011-02-21
Abstract
Abstract A first pump can withdraw waste fluid from an oil pan reservoir and optionally, can be used to introduce flushing fluid through the oil filter and internal oil lubrication distribution passage system, to recirculate the flushing fluid within the internal oil lubrication distribution passage system, to withdraw the waste flushing fluid from the oil pan reservoir for disposal and storage in an external storage receptacle. An air purge connection is provided for evacuating fluid retained within the oil filter element and any fluid remaining in the internal oil lubrication distribution passage system into the oil pan reservoir prior to withdrawal of the fluid by the first pump. A second pump is provided for supplying fresh motor oil from an external storage receptacle through the oil filter directly to the main gallery of the internal oil lubrication distribution passage system. A special oil filter and drain bracket base, externally or integrally mounted, provides a central, easily accessible location within the engine compartment for connection to the oil changing apparatus and for changing the oil filter element. A drain plug adapter is connectible to the oil pan reservoir to provide connection to the first pump. Methods for removing waste or spent fluid and introducing fresh fluid through the oil filter element and internal oil lubrication distribution passage system, and for introducing, recirculating and removing flushing fluid from the internal oil lubrication distribution passage system are also disclosed.
Inventors
- 👤 Ram D. Bedi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:27
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/04; F01M11/0458; F01M11/03; F01M11/045; F01M1/00; F01M1/10; F01M2001/1007; F01M2001/1014; F16; F16N; F16N33/00; F16N2033/005
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
113 words
An apparatus for changing oil in an internal combustion engine having an internal oil lubrication system with a main gallery passage, an oil filter and an oil reservoir, the apparatus comprising: means for evacuating fluid from said oil filter into said oil reservoir; means for removing fluid from said oil reservoir; means for introducing fluid into said oil reservoir through said oil filter and internal oil lubrication system; and an oil filter mounting bracket means for mounting said oil filter, said bracket means having a first fluid passage for receiving oil from said engine and a second fluid passage for delivering filtered fluid from said oil filter to said main gallery distribution passage.
Claim 2
Independent Claim
113 words
An apparatus for changing oil in an internal combustion engine having an internal oil lubrication system with a main gallery passage, an oil filter and an oil reservoir, the apparatus comprising: means for evacuating fluid from said oil filter into said oil reservoir; means for removing fluid from said oil reservoir; means for introducing fluid into said oil reservoir through said oil filter and internal oil lubrication system; and an oil filter mounting bracket means for mounting said oil filter, said bracket means having a first fluid passage for receiving oil from said engine and a second fluid passage for delivering filtered fluid from said oil filter to said main gallery distribution passage.
Claim 3
Dependent Claim
27 words
The apparatus of claim 1, said bracket means further comprising a third fluid passage in communication with said oil reservoir for connection to said evacuating fluid means.
Claim 4
Dependent Claim
18 words
The apparatus of claim 1, said oil filter mounting bracket means remotely located from said internal combustion engine.
Claim 5
Dependent Claim
19 words
The apparatus of claim 1, said oil filter mounting bracket means cast as part of said internal combustion engine.
Claim 6
Dependent Claim
15 words
The apparatus of claim 1, said first fluid passage means further comprising an oil cooler.
Claim 7
Dependent Claim
25 words
The apparatus of claim 1, further comprising: means for recirculating fluid from said oil reservoir through said oil filter and internal oil lubrication distribution system.
Claim 8
Dependent Claim
28 words
The apparatus of claim 2, said bracket means further comprising a fourth fluid passage in fluid communication with said oil reservoir for connection to the fluid removing means.
Claim 9
Dependent Claim
26 words
The apparatus of claim 7, further comprising: valve means for selectively communicating the first fluid passage with the fluid introducing means and the fluid evacuating means.
Claim 10
Dependent Claim
58 words
The apparatus of claim 1, said fluid evacuating means comprising: a source of compressed air; fluid passage means interconnecting the source of compressed air with said internal oil lubrication distribution system at a position upstream of said oil filter; and valve means for controlling communication of the source of compressed air with said internal oil lubrication distribution system.
Claim 11
Dependent Claim
58 words
The apparatus of claim 8, said fluid removing means further comprising: pump means for drawing fluid from said oil reservoir of said internal combustion engine; and fluid passage means for connecting the pump means in fluid communication with an interior of said oil reservoir of said internal combustion engine to said special oil filter and drain mounting bracket.
Claim 12
Dependent Claim
59 words
The apparatus of claim 2, said fluid introducing means comprising: pump means for delivering fluid into said oil reservoir of said internal combustion engine through said oil filter to said main gallery distribution passage; and fluid passage means for connecting the pump means to said internal oil lubrication distribution passage system at a location upstream of said oil filter.
Claim 13
Dependent Claim
80 words
The apparatus of claim 6, said fluid circulating means comprising: first fluid passage means in fluid communication with a lowermost interior portion of said oil reservoir; pump means for drawing fluid from said oil reservoir through said first fluid passage means and for discharging pressurized fluid; and second fluid passage means for connecting the pressurized discharge from the pump means to said internal oil lubrication distribution system of said internal combustion engine at a point upstream of said oil filter.
Claim 14
Dependent Claim
99 words
The apparatus of claim 1, further comprising: a drain plug adapter in fluid communication with an interior of said oil reservoir of said internal combustion engine, the drain plug adapter having first, second and third ends with a fluid passage interconnecting each end with one another, the first end adapted to be sealingly received within a drain aperture of said oil reservoir, the second end adapted to sealingly receive a drain plug, and the third end adapted to receive a plumbing connection fitting for connecting the fluid removing means in fluid communication with the interior of said oil reservoir.
Claim 15
Dependent Claim
99 words
The apparatus of claim 10, further comprising: a drain plug adapter in fluid communication with an interior of said oil reservoir of said internal combustion engine, the drain plug adapter having first, second and third ends with a fluid passage interconnecting each end with one another, the first end adapted to be sealingly received within a drain aperture of said oil reservoir, the second end adapted to sealingly receive a drain plug, and the third end adapted to receive a plumbing connection fitting for connecting the interior of said oil reservoir in fluid communication with the fluid passage means.
Claim 16
Dependent Claim
28 words
The apparatus of claim 11, said bracket means further comprising a fourth fluid passage in fluid communication with said oil reservoir for connection to the fluid removing means.
Claim 17
Dependent Claim
17 words
The apparatus of claim 1, said oil filter oriented along a vertical axis within said mounting bracket.
Claim 18
Dependent Claim
14 words
The apparatus of claim 16, said oil filter comprising a positive flow check valve.
Claim 19
Independent Claim
166 words
An apparatus for changing oil in an internal combustion engine having an internal oil lubrication system having a main gallery passage, an oil filter and an oil reservoir, the apparatus comprising: fluid supply passage means having a fluid connection with said internal oil lubrication system at an opening in said main gallery distribution passage; fluid withdrawal passage means having a disengageable fluid connection in fluid communication with a lower most portion of said oil reservoir of said internal combustion engine; first fluid supply passage means connectible with an external storage receptacle; first fluid discharge passage means connectible with an external storage receptacle; pump means having inlet passage means and outlet passage means; first valve means for selectively connecting said inlet passage means with said fluid withdrawal passage means and with said first fluid supply passage means; and second valve means for selectively connecting said outlet passage means with said fluid supply passage means to said internal combustion engine and with said first fluid discharge passage means.
Claim 20
Independent Claim
166 words
An apparatus for changing oil in an internal combustion engine having an internal oil lubrication system having a main gallery passage, an oil filter and an oil reservoir, the apparatus comprising: fluid supply passage means having a fluid connection with said internal oil lubrication system at an opening in said main gallery distribution passage; fluid withdrawal passage means having a disengageable fluid connection in fluid communication with a lower most portion of said oil reservoir of said internal combustion engine; first fluid supply passage means connectible with an external storage receptacle; first fluid discharge passage means connectible with an external storage receptacle; pump means having inlet passage means and outlet passage means; first valve means for selectively connecting said inlet passage means with said fluid withdrawal passage means and with said first fluid supply passage means; and second valve means for selectively connecting said outlet passage means with said fluid supply passage means to said internal combustion engine and with said first fluid discharge passage means.
Claim 21
Dependent Claim
71 words
The apparatus of claim 18, further comprising: compressed air supply passage means for evacuating fluid from said oil filter; and third valve means for selectively connecting said fluid supply passage means to said internal combustion engine with said outlet passage means of said pump means downstream from said second valve means and for connecting said fluid supply passage means to said internal combustion engine with said compression air supply passage means.
Claim 22
Dependent Claim
55 words
The apparatus of claim 19, further comprising: second fluid supply passage means connectible with a second external storage receptacle; and second pump means having an inlet passage in fluid communication with said second fluid supply passage means and a discharge passage in fluid communication with said fluid supply passage means to said internal combustion engine.
Claim 23
Independent Claim
175 words
An apparatus for changing oil in an internal combustion engine having an internal oil lubrication system with a main gallery passage, an oil filter and an oil reservoir, the apparatus comprising: means for evacuating fluid from said oil filter into said oil reservoir; means for removing fluid from said oil reservoir; means for introducing fluid into said oil reservoir through said oil filter; said oil filter comprising a base having inlet and outlet ports, an interior chamber, an oil filter mounted in said interior chamber separating said inlet and outlet ports; first check valve means disposed between said interior chamber and said inlet port to prevent fluid from flowing from said filter interior to said inlet port; second check valve means disposed between the interior of said filter means and said outlet port for preventing fluid flow from the interior of said filter means to said outlet port below a predetermined pressure; and means for mounting said filter in a vertical position such that the inlet and outlet ports are disposed at the bottom thereof.
Claim 24
Independent Claim
175 words
An apparatus for changing oil in an internal combustion engine having an internal oil lubrication system with a main gallery passage, an oil filter and an oil reservoir, the apparatus comprising: means for evacuating fluid from said oil filter into said oil reservoir; means for removing fluid from said oil reservoir; means for introducing fluid into said oil reservoir through said oil filter; said oil filter comprising a base having inlet and outlet ports, an interior chamber, an oil filter mounted in said interior chamber separating said inlet and outlet ports; first check valve means disposed between said interior chamber and said inlet port to prevent fluid from flowing from said filter interior to said inlet port; second check valve means disposed between the interior of said filter means and said outlet port for preventing fluid flow from the interior of said filter means to said outlet port below a predetermined pressure; and means for mounting said filter in a vertical position such that the inlet and outlet ports are disposed at the bottom thereof.
Claim 25
Dependent Claim
50 words
The apparatus as defined in claim 21 further comprising an oil filter mounting bracket means for mounting said oil filter, said bracket means having a first fluid passage for receiving oil from said engine and a second fluid passage for delivering filtered fluid from said oil filter to said engine.
References Cited (Backward Citations)
US2158914A
Cited
US2249303A
Cited
US2320048A
Cited
US2366073A
Cited
US2454585A
Cited
US2425848A
Cited
US2554389A
Cited
US2594779A
Cited
US3033311A
Cited
US4095673A
Cited
US4151823A
Cited
US4674456A
Cited
US4776431A
Cited
US4909265A
Cited
US4807674A
Cited
US4938315A
Cited
US4854277A
Cited
US4884660A
Cited
US4951784A
Cited
US4901693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-02-24 | 1995-08-26 | 1996-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-02-24 | 1999-08-26 | 2000-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-02-24 | 2003-08-26 | 2004-02-25 | $7700.00 | Window Closed / Lapsed |