US1484240A - Construction of internal-combustion-engine cylinders - Google Patents
Construction of internal-combustion-engine cylinders Download PDFInfo
- Publication number
- US1484240A US1484240A US641986A US64198623A US1484240A US 1484240 A US1484240 A US 1484240A US 641986 A US641986 A US 641986A US 64198623 A US64198623 A US 64198623A US 1484240 A US1484240 A US 1484240A
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- US
- United States
- Prior art keywords
- construction
- internal
- wall
- engine cylinders
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
Definitions
- This invention relates to the cylinder constructions of internal combustion engines and has reference particularly to cylinders of large size.
- the object of this invention is to provide easier manufacture by casting the cylinder with a thin inner wall or shell and a thick outer wall or shell, the inner and outer walls or shells being connected by radial webs or partitions which form channels for the circulation of the cooling water or fluid and also serve to transmit the strains from the inner wall or shell'to the outer wall or shell.
- this outer wall or shell will afford suflicient supportfor the inner wall without being hooped but for the larger sizes it will require to be compressed by a steel hoop the compression of which it will resist when the cylinder is not stressed by internal pressure thus relieving the thin inner wall of a stress which it may, 1
- Figure 1 being a transverse section of a cyl inder constructed in accordance with my invention in its simplest form
- Figure 2 is a simiiar view of a modified construction where an, outer strengthening hoop is employed.
- Figure 3 is a longitudinal section on'an enlarged scale on the line'AA of Figure 1.
- the numeral 1 designates the thin inner wall of the cylinder casting and 2 designates the thick outer wall while 3 designates the partitions which connectthe inner and outer walls, the spaces 4' serving for the circulation of the cooling water or other fluid.
- an outer strengthening hoop 5 is shown which sur rounds the pressure zone of the cylinder. It will of course be apparent that the section of the ribs or-partitions 3 may vary as desired.
- a cylinder for internal combustion en which form passages for the circulation of the cooling water or other fluid.
Description
Feb. 19, 1924; 1,484,240
w. 'J. STILL CONSTRUCTION OF INTERNAL COMBUSTION ENGINE CYLINDERS Filed May zs, 1925 Patented Feb. 19, 1924.
UNITED ST TES WILLIAM JOSEPH STILL, OF LONDON, ENGLAND.
CONSTRUCTION OF INTEENAL-COMBUSTION-ENGINE CYLINDERS.
Application filed May 28, 1923. Serial No. 641,986.
T 0 all whom it may concern:
Be it known that 1, WI LIAM J OSEPH STILL, a subject of the King of Great Britain, and resident of London, England, have invented certain new and useful Improvements in the Construction of Internal-Gombustion-Engine Cylinders, of which the following is a specification. v v
This invention relates to the cylinder constructions of internal combustion engines and has reference particularly to cylinders of large size.
As is well known in such cylinders there are two forms of stress which have to be accounted for. There is the stress due to the pressure within the cylinder and there are the stresses due to heat conditions. The former can be met by increasing the thickness of the cylinder wall but this thickening up cannot be extended too far because, of course, it aggravates the heat stress.
If a thin cylinder wall be used and this is supported by an'external hoop the hoop must be very accurately fitted over the ribs or other projections on which it is fitted or it will either fail to support the wall'or else will crush it.
The object of this invention is to provide easier manufacture by casting the cylinder with a thin inner wall or shell and a thick outer wall or shell, the inner and outer walls or shells being connected by radial webs or partitions which form channels for the circulation of the cooling water or fluid and also serve to transmit the strains from the inner wall or shell'to the outer wall or shell. In some cases this outer wall or shell will afford suflicient supportfor the inner wall without being hooped but for the larger sizes it will require to be compressed by a steel hoop the compression of which it will resist when the cylinder is not stressed by internal pressure thus relieving the thin inner wall of a stress which it may, 1
unaided, be too thin to safely carry. It will be understood that the longitudinal passages fluid circulates'willall be in communication at their ends so that a free circulation of the cooling fluid is provided for.
In the accompanying drawings I have through which the cooling water or other illustrated the invention diagrammatically.
Figure 1 being a transverse section of a cyl inder constructed in accordance with my invention in its simplest form and Figure 2 is a simiiar view of a modified construction where an, outer strengthening hoop is employed.
Figure 3 is a longitudinal section on'an enlarged scale on the line'AA of Figure 1.
Referring to these drawings the numeral 1 designates the thin inner wall of the cylinder casting and 2 designates the thick outer wall while 3 designates the partitions which connectthe inner and outer walls, the spaces 4' serving for the circulation of the cooling water or other fluid. In Figure 2 an outer strengthening hoop 5 is shown which sur rounds the pressure zone of the cylinder. It will of course be apparent that the section of the ribs or-partitions 3 may vary as desired.
What I claim and desire to secure by Letters P-atent:
1; A cylinder for internal combustion en which form passages for the circulation of the cooling water or other fluid.
2. A'cylinder for internal combustion engines'according to claim 1 and having a reinforcing hoop surrounding the pressurezone of the cylinder.
In'witness whereof I afix my signature.
WILLIAM J OSEPI-I- STILL,
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US641986A US1484240A (en) | 1923-05-28 | 1923-05-28 | Construction of internal-combustion-engine cylinders |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US641986A US1484240A (en) | 1923-05-28 | 1923-05-28 | Construction of internal-combustion-engine cylinders |
Publications (1)
Publication Number | Publication Date |
---|---|
US1484240A true US1484240A (en) | 1924-02-19 |
Family
ID=24574678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US641986A Expired - Lifetime US1484240A (en) | 1923-05-28 | 1923-05-28 | Construction of internal-combustion-engine cylinders |
Country Status (1)
Country | Link |
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US (1) | US1484240A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2675284A (en) * | 1950-07-10 | 1954-04-13 | Brown Brothers & Co Ltd | Construction of rigid slotted cylinders |
US2687709A (en) * | 1950-06-13 | 1954-08-31 | Res Engineering Corp | Cylinder construction for internalcombustion engines |
US4050421A (en) * | 1975-08-27 | 1977-09-27 | Grandi Motori Trieste S.P.A. G.M.T. - Fiat, Ansaldo, C.R.D.A. | Cylinder liner with internal cooling ducts for internal combustion reciprocating engines |
-
1923
- 1923-05-28 US US641986A patent/US1484240A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687709A (en) * | 1950-06-13 | 1954-08-31 | Res Engineering Corp | Cylinder construction for internalcombustion engines |
US2675284A (en) * | 1950-07-10 | 1954-04-13 | Brown Brothers & Co Ltd | Construction of rigid slotted cylinders |
US4050421A (en) * | 1975-08-27 | 1977-09-27 | Grandi Motori Trieste S.P.A. G.M.T. - Fiat, Ansaldo, C.R.D.A. | Cylinder liner with internal cooling ducts for internal combustion reciprocating engines |
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