US1846072A - Oil filter installation - Google Patents

Description

Feb. 23, 1932. R. WHYTE 1,846,072

OIL FILTER INSTALLATION Filed June l5. 1928 31a/vento@ @f-ff @y f flttoznmja Patented Feb. 23, 1932 UNITED STATES PATENT OFFICE :RORERT WHYTE, F LANSING, MICHIGAN, .ASSIGNOR .LOl GENERAL MOTORS CORPORA- TION, OF DETROIT, MICHIGAN, A CORPORATION OF DELAWARE OIL FILTER INSTALLATION Application led .Tune 15, 1928.

This invention relates tothe mounting of oil iilters and has particular reference to a filter and the mounting thereof as applied to internal combustion engines used on automotive vehicles.

lrior constructions have made use of a can or container in which a filtering unit has been mounted. This container is usually secured to or positioned at the dashboard or cowl pan and the oil led to and conducted therefrom by means of a system of piping suitably connected with the force feed system of the internal combustion engine. This piping is objectional for the reason that it renders the engine less accessible and the system liable to be damaged or broken and adds to the cost of the lubricating system.

Tt is the object of the present invention to eliminate the container and all piping and to apply the filtering unit to the engine where it will be out of the way and rendered more accessible and readily replaced.

The object of the invention is accomplished by casting a suitable housing integral with the cylinder block preferably at the rear end thereof. This housing is cast at one of the cam shaft bearings and allows for the use of the conventional spiral bag type of filtering unit. The end of the iiltering medium or unit is attached to the engine block at the bearing and by means of suitable metered drilled assages the oil is delivered from the force eed system through the bearing to the filtering unit. The oil flows from the unit and drips into the housing from where it is returned to the crank case past a suitable test valve.

The housing is preferably inclined upwardly from the bearing although it may be downwardly inclined if so desired. While the drawings show the invention applied to the rear end of the engine block where it is out of the way of the fan and water pump it is nevertheless within the scope of the invention to cast the housing at the front of the block or at an intermediate portion thereof. Y

Referring to the drawings:

Figure 1 shows an elevational side view of the end portion of a V-type internal combustion engine showing the invention applied thereto.

Serial N0. 285,620.

Figure 2 is a section on the line 2-2 of Figure 1.

Referring to the drawings:

The numeral indicates a V-type internal combustion engine having the two banks of cylinders 12 and 14, the engine block is indicated at 16, and cast integral with the block preferably at the rear end is the housing 18. The inner end of the housing is positioned at a bearing 22 of the cam shaft 24 while the outer end 26 of the housing is substantially in line with the end of the bank 12 of the cylinders.

The housing 18 has the removable cover 28 securedr'thereon by means of a screw 30 fastened to a stud or projection 32 on the end of the liltering unit 34. The filtering unit 34 is of the conventional spiral bag type such as shown in McKinley, 1,651,400.

The inner end of the ltering unit 34 has a screw-threaded extension 36 which isv screwed into an opening 38 in the bottom 20 of the housing and which @peiling 38 communicates at intervals through an opening 40 in the bearing 22 with a three-armed passage 42 in the cam shaft 24.

The crank case of the engine block. 16 is indicated at `44 while 46 designates the oil pan. Secured to the crank case and positioned within the oil pan is the usual force feed oil pump 48 which takes the oil from the oil pan 46 through the pipe `5() and forces it into the manifold pipe 52 through suitable passages 54 to the crank shaft bearings 60. An annular groove 56`in the crank shaft 58 (or in one of the crank shaft bearings 60) leads the oil to a passage 62 in a rib 64 in the crank case. `From the passage 62 the oil is delivered to the three-armed passage 42 in the cam shaft .24 and during each rotation of the cam shaft three shots of oil will be delivered to the filter from the various arms of the passage 42. The foil will be forced through the central passagel in the oil lter and will drip from the outer side vof the filtering material as indicated by the arrows 66 to the bottom 68 0f the housing 18. From the bottom 68 the oil will flow, as indicated by the arrows 70, through an opening 72 in the housing and drain back to the oil pan 46.

Positioned in an opening 74 in the bottom of `the housing 18 and at the opening 72 is a test valve 76 of the conventional type the purpose of which is to ascertain whether the lter is functioning. By unscrewing the thumb screw handle 7 8i the test valve will be opened and if oil is flowing from the ena thereof it will show that the filter is Working. If no oil iow is observed it will show that the filter is clogged. Y

I claim:

l. In combination'with an internal combustion engine having a camshaft, a housing secured to the engine having one endtermiv nating at a camshaft bearing, an oil filter mounted in said housing and having direct oil inlet communication with said bearing.

2. In combinationwith an internal combustion engine having a shaft having a bearing, a housing integrally formed With said engine and having an opening at one end communicating with said bearin and an oil filter secured in said housing an having one end connected to said opening.

In testimony whereof I affix my signature. v

ROBERT WHYTE.

Larsson

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