US2601907A - Rotary screen for motor assemblies - Google Patents
Rotary screen for motor assemblies Download PDFInfo
- Publication number
- US2601907A US2601907A US117233A US11723349A US2601907A US 2601907 A US2601907 A US 2601907A US 117233 A US117233 A US 117233A US 11723349 A US11723349 A US 11723349A US 2601907 A US2601907 A US 2601907A
- Authority
- US
- United States
- Prior art keywords
- shroud
- rotary screen
- motor assemblies
- shaft
- motor
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
Definitions
- the invention relates to an improvement in fans or air cleanersfor rotating members, including motor fly wheels.
- One purpose is to provide an improved motor assembly with a shroud inlet for air, having a screen rotating with a fly wheel-fan unit.
- Another purpose is to provide a rotating screen or cleaner of an improved form.
- Another purpose is to provide such a cleaner with a minimum of exposed area, and with edges shielded and supported.
- Figure 1 is a side elevation with parts broken away.
- Figure 2 is a section, on an enlarged scale, on the line 22 of Figure 1.
- I generally indicates an outer shroud of an internal combustion engine.
- the shroud is shown as having an air inlet 2 defined by and surrounded by a circumferential lip 3, shown as ofiset from the body of the shroud.
- 4 indicates part of an engine housing, the details of which form no part of the present invention.
- 5 is a motor shaft of the engine mounted, for example, in any suitable bearing portion 6, and extending outwardly beyond the housing portion or wall 4.
- the shaft 5 is shown as carrying a fly wheel I, the fly wheel being formed, if desired, with fan elements or components 8.
- the fly wheel is shown as having a hub portion 9 mounted on a tapered portion In of the shaft, and connected in pgsition, for example, by a washer II and nut Between the washer H and the hub 9 is illustrated, first, a pulley I3, which may, for example, be the launching pulley around which a launching or starting rope or wire may be mounted, for manual starting of the motor. Between the pulley l3 and the hub 9 we illustrate the screen element H. The screen element 14 is shown as having the inner portion l5, which is actually compressed between the hub 9 and the opposed face of the pulley.
- a foraminous stamped sheet has certain advantages, since it may be accurately formed to size and shape, and easily and accurately fitted in position.
- the combination comprising a shaft, a fly wheel having fan components mounted on the shaft for rotary motion therewith, a shroud within which the fly wheel rotates, said shroud having an air inlet concentric with the axis of rotation of the shaft, a starter pulley exterior to the shroud, and a rotary screen mounted on said shaft for rotation therewith, said screen including a'central portion adapted'to be secured to the flywheel, and a conic circumferential portion extending outwardly beyond the plane of the shroud and having a terminal conic portion terminating inwardly withinthe shroud.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
July 1, 1952 M. D. BURROWS ET AL 2,601,907
ROTARY SCREEN FOR MOTOR ASSEMBLIES Filed Sept. 22, l949 ,[nveniorfl Milford .flfiurroms ,StarzZeg 2.5620672" @M MM Patented July 1, 1Q52 ROTARY SCREEN FOR MOTOR ASSEMBLIES Milford D. Burrows and Stanley Z. Siwek, Chicago, Ill., assignors to Pioneer Gen-E-Motor Corporation, Chicago, Ill., a corporation of Delaware Application September 22, 1949, Serial No. 117,233
2 Claims. 1
The invention relates to an improvement in fans or air cleanersfor rotating members, including motor fly wheels. One purpose is to provide an improved motor assembly with a shroud inlet for air, having a screen rotating with a fly wheel-fan unit.
Another purpose is to provide a rotating screen or cleaner of an improved form.
Another purpose is to provide such a cleaner with a minimum of exposed area, and with edges shielded and supported.
Other purposes will appear from time to time in the course of the specification and claims.
The invention is illustrated more or less diagrammatically in the accompanying drawings wherein:
Figure 1 is a side elevation with parts broken away; and
Figure 2 is a section, on an enlarged scale, on the line 22 of Figure 1.
Like parts are indicated by like symbols throughout the specification and drawings.
Referring to the drawings, I generally indicates an outer shroud of an internal combustion engine. The shroud is shown as having an air inlet 2 defined by and surrounded by a circumferential lip 3, shown as ofiset from the body of the shroud. 4 indicates part of an engine housing, the details of which form no part of the present invention. 5 is a motor shaft of the engine mounted, for example, in any suitable bearing portion 6, and extending outwardly beyond the housing portion or wall 4.
The shaft 5 is shown as carrying a fly wheel I, the fly wheel being formed, if desired, with fan elements or components 8. The fly wheel is shown as having a hub portion 9 mounted on a tapered portion In of the shaft, and connected in pgsition, for example, by a washer II and nut Between the washer H and the hub 9 is illustrated, first, a pulley I3, which may, for example, be the launching pulley around which a launching or starting rope or wire may be mounted, for manual starting of the motor. Between the pulley l3 and the hub 9 we illustrate the screen element H. The screen element 14 is shown as having the inner portion l5, which is actually compressed between the hub 9 and the opposed face of the pulley. It is shown as outwardly flared, as at l6, and as provided with a somewhat conic or tapered portion [1 which terminates in an inwardly turned lip I8. The lip l8 clears and underlies the edge of the flange 3 surrounding the shroud aperture, and abuts 2 against and is supported by the fan components 8.
.It will be understood that when the motor is actuated and the fly wheel is rotating, the screen or cleaner l4 also rotates. Its outer edge portion I8 is supported and strengthened by contact with the fan components 8, but the intermediate portion H is So sloped or inclined that it will centrifugally throw particles along a path which misses the exterior of the flange 3. Thus a substantial proportion of the larger particles or impurities inthe indrawn air will actually be thrown centrifugally outwardly along paths which clear the edge of the air inlet aperture 2.
It is a matter of choice whether we employ a foraminous sheet, as shown, or some other type of air pervious structure, such as screening or the like. However, a foraminous stamped sheet has certain advantages, since it may be accurately formed to size and shape, and easily and accurately fitted in position.
It will be realized that whereas we describe and show a practical and operative device, nevertheless many changes may be made in size, shape, number and disposition of parts. We therefore wish the description and drawings to be taken as in a broad sense illustrative or diagrammatic, rather than as limiting us to our precise showing.
We claim:
a1. In an engine structure, the combination comprising a shaft, a fly wheel having fan components mounted on the shaft for rotary motion therewith, a shroud within which the fly wheel rotates, said shroud having an air inlet concentric with the axis of rotation of the shaft, a starter pulley exterior to the shroud, and a rotary screen mounted on said shaft for rotation therewith, said screen including a'central portion adapted'to be secured to the flywheel, and a conic circumferential portion extending outwardly beyond the plane of the shroud and having a terminal conic portion terminating inwardly withinthe shroud.
2. In an engine structure, the combination comprising a shaft, a fly wheel having fan com- I ponents mounted on the shaft for rotary motending outwardly adjacent the plane of the shroud and having a terminal conic portion ter- REFERENCES CITED The following references are of record 'in the file of this patent:
UNITED STATES PATENTS Name Date Davis June 29, 1897 Phelps June 3, 1930 McFarland et a1. June 3, 1941 Packwood July 27, 1948
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US117233A US2601907A (en) | 1949-09-22 | 1949-09-22 | Rotary screen for motor assemblies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US117233A US2601907A (en) | 1949-09-22 | 1949-09-22 | Rotary screen for motor assemblies |
Publications (1)
Publication Number | Publication Date |
---|---|
US2601907A true US2601907A (en) | 1952-07-01 |
Family
ID=22371689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US117233A Expired - Lifetime US2601907A (en) | 1949-09-22 | 1949-09-22 | Rotary screen for motor assemblies |
Country Status (1)
Country | Link |
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US (1) | US2601907A (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2764390A (en) * | 1954-04-01 | 1956-09-25 | Gen Electric | Anti-icing device |
DE965177C (en) * | 1952-08-02 | 1957-06-06 | Kloeckner Humboldt Deutz Ag | Water-cooled internal combustion engine |
US2823656A (en) * | 1954-09-27 | 1958-02-18 | Gen Motors Corp | Air filter |
US3183899A (en) * | 1962-11-14 | 1965-05-18 | Outboard Marine Corp | Chaff-proof air intake arrangement |
US3252449A (en) * | 1964-07-31 | 1966-05-24 | Briggs & Stratton Corp | Screen unit for air cooled internal combustion engines |
US3433206A (en) * | 1967-08-04 | 1969-03-18 | Clifford C Pennington | Anti-clog device for air intake on air-cooled gas engines |
US3751191A (en) * | 1971-02-02 | 1973-08-07 | Mott Corp | Hydraulic pump and cooler unit |
US4838908A (en) * | 1988-07-27 | 1989-06-13 | Kohler Co. | Engine air intake screen assembly |
US5000769A (en) * | 1989-04-14 | 1991-03-19 | Brevet | System for ventilating a rail traction motor and for dynamically purifying the ventilation air |
US5114446A (en) * | 1991-02-15 | 1992-05-19 | United Technologies Corporation | Deoiler for jet engine |
US5167209A (en) * | 1992-03-05 | 1992-12-01 | Dufern Richard L | Engine filter assembly |
US5285751A (en) * | 1993-07-28 | 1994-02-15 | Kohler Co. | Engine air intake screen assembly |
US6022391A (en) * | 1999-01-29 | 2000-02-08 | United Air Filter, Inc. | Filter assembly for cleaning cooling air for engines |
US6162269A (en) * | 1999-01-29 | 2000-12-19 | United Air Filter, Inc. | Filter assembly for cleaning cooling air for engines |
DE19833473B4 (en) * | 1997-07-29 | 2006-01-19 | Kioritz Corp. | Element for preventing particle entry in an air-cooled internal combustion engine |
US20060266308A1 (en) * | 2005-05-26 | 2006-11-30 | Leech Paul A | Engine assembly |
US20090107087A1 (en) * | 2007-10-29 | 2009-04-30 | Briggs & Stratton Corporation | Cyclonic air cleaner assembly |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US585188A (en) * | 1897-06-29 | Screen attachment for suction or exhaust fans | ||
US1762028A (en) * | 1926-03-10 | 1930-06-03 | Phelps Mfg Company | Exhaust fan |
US2244165A (en) * | 1939-05-25 | 1941-06-03 | Hoover Co | Suction cleaner |
US2445965A (en) * | 1946-08-07 | 1948-07-27 | Heza H Packwood | Power lawn mower with air filtering screen |
-
1949
- 1949-09-22 US US117233A patent/US2601907A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US585188A (en) * | 1897-06-29 | Screen attachment for suction or exhaust fans | ||
US1762028A (en) * | 1926-03-10 | 1930-06-03 | Phelps Mfg Company | Exhaust fan |
US2244165A (en) * | 1939-05-25 | 1941-06-03 | Hoover Co | Suction cleaner |
US2445965A (en) * | 1946-08-07 | 1948-07-27 | Heza H Packwood | Power lawn mower with air filtering screen |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE965177C (en) * | 1952-08-02 | 1957-06-06 | Kloeckner Humboldt Deutz Ag | Water-cooled internal combustion engine |
US2764390A (en) * | 1954-04-01 | 1956-09-25 | Gen Electric | Anti-icing device |
US2823656A (en) * | 1954-09-27 | 1958-02-18 | Gen Motors Corp | Air filter |
US3183899A (en) * | 1962-11-14 | 1965-05-18 | Outboard Marine Corp | Chaff-proof air intake arrangement |
US3252449A (en) * | 1964-07-31 | 1966-05-24 | Briggs & Stratton Corp | Screen unit for air cooled internal combustion engines |
US3433206A (en) * | 1967-08-04 | 1969-03-18 | Clifford C Pennington | Anti-clog device for air intake on air-cooled gas engines |
US3751191A (en) * | 1971-02-02 | 1973-08-07 | Mott Corp | Hydraulic pump and cooler unit |
US4838908A (en) * | 1988-07-27 | 1989-06-13 | Kohler Co. | Engine air intake screen assembly |
US5000769A (en) * | 1989-04-14 | 1991-03-19 | Brevet | System for ventilating a rail traction motor and for dynamically purifying the ventilation air |
US5114446A (en) * | 1991-02-15 | 1992-05-19 | United Technologies Corporation | Deoiler for jet engine |
US5167209A (en) * | 1992-03-05 | 1992-12-01 | Dufern Richard L | Engine filter assembly |
US5285751A (en) * | 1993-07-28 | 1994-02-15 | Kohler Co. | Engine air intake screen assembly |
DE19833473B4 (en) * | 1997-07-29 | 2006-01-19 | Kioritz Corp. | Element for preventing particle entry in an air-cooled internal combustion engine |
US6022391A (en) * | 1999-01-29 | 2000-02-08 | United Air Filter, Inc. | Filter assembly for cleaning cooling air for engines |
US6162269A (en) * | 1999-01-29 | 2000-12-19 | United Air Filter, Inc. | Filter assembly for cleaning cooling air for engines |
US20060266308A1 (en) * | 2005-05-26 | 2006-11-30 | Leech Paul A | Engine assembly |
US7225765B2 (en) | 2005-05-26 | 2007-06-05 | Briggs And Stratton Corporation | Engine assembly |
US20090107087A1 (en) * | 2007-10-29 | 2009-04-30 | Briggs & Stratton Corporation | Cyclonic air cleaner assembly |
US7914609B2 (en) | 2007-10-29 | 2011-03-29 | Briggs & Stratton Corporation | Cyclonic air cleaner assembly |
US20110120310A1 (en) * | 2007-10-29 | 2011-05-26 | Briggs & Stratton Corporation | Cyclonic air cleaner assembly |
US8241378B2 (en) | 2007-10-29 | 2012-08-14 | Briggs & Stratton Corporation | Cyclonic air cleaner assembly |
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