US1024727A - Lubricating system for motors. - Google Patents

Lubricating system for motors. Download PDF

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Publication number
US1024727A
US1024727A US1911665700A US1024727A US 1024727 A US1024727 A US 1024727A US 1911665700 A US1911665700 A US 1911665700A US 1024727 A US1024727 A US 1024727A
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Prior art keywords
oil
crank
case
pockets
compartments
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Expired - Lifetime
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Russell Huff
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PACKARD MOTOR CAR Co
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PACKARD MOTOR CAR CO
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/042Guidance of lubricant
    • F16H57/0421Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like

Description

R. HUPF.

LUBRICATING SYSTEM FOR MOTORS.

APPLIOATIUN mum DBO. 14, 1911.

1,024,727. Patented Apr. 30, I912.

Pal Z. 2

UNITED STATES PATENT OFFICE.

RUSSELL HUFF,

' 0F DETROIT, MICHIGAN,

011 DETROIT, MICHIGAN, ASSIGNOR TO IPACKARD MOTOR CAR COMPANY,

A CORPORATION OF MICHIGAN.

LUBRICATING SYSTEM FOR IlMIOTOBS.

have invented certain new and useful mprovements in Lubricating Systems for Motors, of which the following is a specification.

This ap lication is a division of my application, erial Number 505,735, filed July 2nd 1909.

This invention relates to oiling systems, and in particular to oiling systems for motors used for propelling vehicles.

In multi-cylinder motors used in motor vehicles the cylinders are usually arranged vertically and in line and bolted separately or in pairs to a single crank case, which case is usually divided into compartments forming oil wells into which the cranks dip to splash the oil over the working parts of the motor. It is necessar that a'sufiicient supply of oil be maintain in the crank case compartments and it is desirable that the oil be kept at a constant and uniform level in all the compartments which is somewhat diflicult to effect when the .vehicle is on an incline as when going up or down hill.

The object of this invention is to provide an oilingsystem to maintain the oil in the various compartments at a uniform and constant level.

One of the features of this invention, broadly considered, consists in dividing the crank case into front and rear compartments and connecting these compartments by an equalizing duct terminating in risers extend ing into the oil wells and opening at sub stantially the normal oil level therein.

Another feature of this invention consists in a supply and discharge means for maintaining the oil in the compartments at a fixed level.

Broadly stated, it consists of means for supplying the oil to the crank case at a rate slightly in excess of what can be used by the motor and of menus for withdrawing oil from the crank case when the level therein rises above the predetermined normal oil level. These means preferably consist of a small constantly driven pump which supplies the oil from a reservoir to the crank case and of a discharge pump having a ca- Specification of Letters Patent.

Original application filed July 2, 1909, Serial No. 505,735.

.1911. Serial No. 665,700.

pacity slightly in excess of the feeding pump Patented Apr. 30, 1912.

Divided and this application filed December 14,

and connected with an outlet pipe which opens into the oil well of one or both of the compartments at substantially the normal oillevel. discharges into the reservoir whereby the oil is kept in constant circulation.

In the drawings: .Figure 1 is a vertical longitudinal section partly in elevation through the crank case and cylinders; Fig.

2 is a partial transverse section on the line 2-2 of Fig. 1.

Referring to the drawings, 11 designates the upper section of the crank case provided with integral side arms 12 for supporting the engine structure from the side bars of a motor vehicle, 13 the intermediate section, and 14 the lower section of the crank case. The crank shaft 15 is journaled in bearings between thesections 13 and 11. All of the sections are bolted together in a manner well understood by those skilled in the art.

The cylinders 16 are bolted to the crank case. These cylinders in the construction shown are cast in pairs. Each cylinder is provided with a cylinder head 17, provided with a downwardly extended portion 18 of smaller diameter than the internal diameter of the cylinder, thereby forming an annular space or chamber 19. The downwardly projecting portion 18 is provided with the usual packing rings, (not shown).

The lower section of the crank case is di vided by a partition 11 into compartments 51, 52, fol-min oil wells or pockets. An equalizing conduit 53 connects these compartments and terminates in risers 53, opening into the pockets at the normal oil level.

An oil tank (not shown) is connected by the pipe 55 to the feeding pump 57. A pipe 58 leads from the pump 57, and is connected by branch pipes 59 to the annular chambers or cavities 19, formed between the cylinder head and the cylinder. Hand valves 60 are provided whereby the supply to the separate cylinders may be independently controlled or cut off. An overflow pipe (31 discharges into the crank case.

A riser or stand pipe ()3 communicates with an outlet conduit 63 which connects with a pipe 63 leadin to a discharge pump 64, which discharges t rou h a pipe 65 into the oil supply tank. The riser or stand pipe 63 opens into the compartment 52 at substantially the normal oil level therein, and

Said discharge pump preferably is preferably placed alongside of one of the i compartments forming oil pockets, of an risers 53*. In the construction shown the duct 53, its risers 53, the riser 63and the outlet pipe 63 are cast integrally with section 14 of the crank case.

The pumps 57 and 64 are preferably of the gear type, and are driven through a common shaft'68, which may be the commutator shaft, through gears 69 from the valve shaft 24. The capacity of the pump 64 is slightly in excess of that of 57. This may be accomplished "by making '64 larger than 57 or by driving 64 at a higher rate of speed than 57. In this way it is insured that the oil in the compartment 52 will remain at a constant level, and since the pump 57 feeds the oil in excess of the rate at which below the level of the risers. The conduit 53 connecting the compartments will insure that the level of the oil will remain the saruc in both compartments, and even when the vehicle is on an incline, as when going up hill, the construction of the risers 53 will prevent all the oil in one compartment from flowing into the adjacent one.

Referring to Fig. 1, the cylinder wall in provided with a vertical channel 72 communicating with the crank casing, and an alined channel 73 formed in the. cylinder head communicates at one side of the cylin der head with the annular chamber [9. The vent 74 opens into the annular chamber 15! at a point opposite the o ening of the channel 73. The Oil kicked up y the cranks will pass up through channel 72, aided by the gases in the crank casing which pass up lhrough chamber 19 and out of the vent T4. The oil passing up 72will enter into the chamber 19 and lubricate the cylinder head and walls, while the gases will escape. thr ugh the vent 74. The channel 72 in the construction shown is formed in the cylinder walls. It is obvious, however, that this may be a separate pipe located on the outside of the cyl indcr.

Various changes may be made in the details of construction without departing from the spirit of this invention as defined in the appended claims, and it is to be understood therefore that this invention is not to be limited to the specific construction shown.

That I claim is:

1. In an oiling system, the combination with a casing comprising a plurality of equalizing conduit connecting the pockets, means for supplying oil to the pockets. and a discharge outlet opening into one of the pockets at the normal oil level.

In an oiling system, the combination uilh a casing comprising a plurality of compartments forming oil pockets, of an equalizing conduit connecting the pockets, an oil supply, a pump supplying 011 from the supply to the pockets, a discharge outlet opening into one of the pockets at the normal oil level, and a pump connecting the outlet and the supply.

3. In an engine. a crank case section constructed to form a plurality of oil pockets, an equalizing conduit connecting the pockets and terminating in risers, a discharge outlet terminating in u riser located adjacent one of the risers, said conduit and risers being cast integrally with the body of the cctlon.

4. In an engine, a crank case section c011- slructed to form a plurality of oil pockets, an equalizing conduit connecting the pockets and terminating in risers, a discharge outlet terminating in a riser. said conduit and risersbeing integral with the body of the se tion.

5. In an engine, a crank case constructed to form a plurality of oil pockets, an equal izing conduit connecting the pockets and terminating in risers having openings at their up; ends. said risers being spaced from the sides and ends of the compartments, and a discharge outlet opening into one of the compartments beside the riser and at substantially the level of the opening in the riser, for the purpose described.

(3. In an engine, a crank case section constructed to form a plurality of oil pockets, an equalizing conduit connect iug the pockets and terminating iirl'iscrs having openings into the compnrtmentg said conduit and risers being formed integral with the crank case section. and an outlet from one of the comparlim-nts at substantially the same level as the riser opening.

In testimony whereof I aliix my signature in the presence of two witnesses.

RUSSELL IIUFF.

Witnesses W. II. Imouicn, J12, I). A. Kncmu-z.

US1024727A 1909-07-02 1911-12-14 Lubricating system for motors. Expired - Lifetime US1024727A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US1112536A US1112536A (en) 1909-07-02 1909-07-02 Hydrocarbon-motor.
US1024727A US1024727A (en) 1909-07-02 1911-12-14 Lubricating system for motors.

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US1024727A US1024727A (en) 1909-07-02 1911-12-14 Lubricating system for motors.

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US1024727A true US1024727A (en) 1912-04-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140041A (en) * 1961-01-09 1964-07-07 Kramer Trenton Co Means for controlling lubrication of hermetic compressors
US5755194A (en) * 1995-07-06 1998-05-26 Tecumseh Products Company Overhead cam engine with dry sump lubrication system
US6223713B1 (en) 1996-07-01 2001-05-01 Tecumseh Products Company Overhead cam engine with cast-in valve seats

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140041A (en) * 1961-01-09 1964-07-07 Kramer Trenton Co Means for controlling lubrication of hermetic compressors
US5755194A (en) * 1995-07-06 1998-05-26 Tecumseh Products Company Overhead cam engine with dry sump lubrication system
US5979392A (en) * 1995-07-06 1999-11-09 Tecumseh Products Company Overhead cam engine with integral head
US5988135A (en) * 1995-07-06 1999-11-23 Tecumseh Products Company Overhead vertical camshaft engine with external camshaft drive
US6032635A (en) * 1995-07-06 2000-03-07 Tecumseh Products Company Overhead cam engine with integral head
US6223713B1 (en) 1996-07-01 2001-05-01 Tecumseh Products Company Overhead cam engine with cast-in valve seats

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