US1144331A - Oil-separator for steam-engines. - Google Patents
Oil-separator for steam-engines. Download PDFInfo
- Publication number
- US1144331A US1144331A US81976714A US1914819767A US1144331A US 1144331 A US1144331 A US 1144331A US 81976714 A US81976714 A US 81976714A US 1914819767 A US1914819767 A US 1914819767A US 1144331 A US1144331 A US 1144331A
- Authority
- US
- United States
- Prior art keywords
- oil
- casing
- crank case
- crank
- port
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
- F16N7/26—Splash lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0483—Axle or inter-axle differentials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2186—Gear casings
Definitions
- the invention relates to steam engines of the type in which the crank shaft isinclose'd in a casing and the lubrication is accom- A plishedby the splash system.
- Fig. 4 is asectional view onlthejline 4-4 of'Fig. 3-; Figs. 5 and Gare detailsections on "the linesj5.5 and 6- 6, resp ec-v increm n vapo h re hroug tively, of Fig. 4;
- Fig. 7 is a detail vertical sectional view of the crank case of an engine and the crank disk thereof showing a modification, taken on the line 77 of Fig. 8;
- Fig. 8' is a detail sectional view on the line 8-8 of Fig. 7;
- Fig. 9 is a vertical longitudinal section of a double acting engine provided with the improved separator;
- Fig. 10 is an end elevationpartly in section, of an engine showing a further modification; and
- Figs. 11 and 12' are detail sections. on .the lines 1l11 and 12'l2, respectively, of Fig. 10.
- Theengine cylinderis represented at 10, and the valve casing thereof at 11.
- crank case to which the lower ends of the cylinder and valve casing. open, and through which asses the crank shaft 13 which is journa ed in suitable boxes within the ends of the casing.
- crank disks ' forming'part 'of the shaft 13; at 15 the wrist g1ne*valve;- and at'18 the eccentric, controlled by a suitable governor for actuating the valve.
- the open upper end of the casing 21 is preferably provided with a ported cap 25 to prevent the entrance of dust and dirt.
- a trap 26 for the water within the lower end of the casing 21 there is provided a trap 26 for the water, this trap being preferably formed as a compartment of the casing. Adjacent its lower end the trap is provided with a port 27 open to the chamber of the casing 21 to admit the water, which, by reason of its greater specific gravity and absence of agitation, is separated out from the oil.
- a discharge port 28 leads from the upper portion of the trap 26, and is here represented as a threaded aperture adapted to receive the nipple of a drain pipe (not shown). At a still greater elevation the trap is provided with a vent port 29 to prevent siphonic action through the drain pipe.
- the inner wall of the casing of the separator is ported, as shown at 30, 31, to'permit the return flow of oil, from which the water has been separated by gravity, to the crank case 12.
- a plate extends from the wall within which the ports 30, 31 are located into the chamber of the separator and above these ports and a screen 41, here shown as imperforate, depends from this plate, the plate and screen forming a hood over-hanging the ports.
- the screen 41 is therefore interposed between the passage leading from the induction port 23, to the lower portion of the separating chamber. Material descending through this passage is composed of an admixture of oil and water. There being no agitation within this chamber, the waterwill be precipitated and the oil freed from the water will rise back of the screen and pass into the crank case through the ports 30, 31.
- Amp 32 is applied to the outer end of the box within which the shaft 13 is journaled in the casing 21 to prevent the escape of oil therefrom.
- the box is provided with an annular channel 33, within which the oil which works past the bearing may accumulate, and a drain duct 34 leads from this channel to the chamber of the casing 21.
- thecrank case 12 Before starting the engine thecrank case 12 will be supplied with oil to a suflicient depth to cause the necessary splash by the action of the crank 15 and other movable parts, and the oil supply may be renewed as by means of a cup 39.
- the separator chamber is of sufficient size to insure slow movement of vapors and liquids therein, thereby facilitating the precipitation of the heavier materials.
- an engine having a closed crank case, such case being vented, and means fon eliminating oil from the spray passing out at the vent, a chamber for receiving the oil so' separated and having a return port open to the crank case.
- an engine having a closed crank case such case being vented, means for separating liquids from the spray discharge from the vent, and means for separating the oil content out of such liquid and returning it to the crank case.
- a steam engine having a closed crank case an oil separator comprising a casing having ports at different elevations communicating with the crank case, a hood within the casing over the outer end of the upper port, and a water trap in the lower end of the casing having a discharge port.
- a steam-engine having a closed crank case, an oil separator comprising a vented casing having ports at different elevations communicating with the crank case, a hood within the casing. over the upper port, and a water trap in the lower end of the casing having a discharge port.
- a steam engine having a closed crankcase, an oil separating chamber connected with the crank case by induction and eduction ports and having a vent opening, the passage leading to the vent opening being of greater cross-sectional area than the induction passage.
- a steam engine having a closed crank case, and a separator adapted to receive spray from the crank case and:
- crank case having a vent, an outlet for water, and a port for returning oil to the crank case.
- a steam engine having a closed crank case
- an oil separator comprising a casing having ports communicating with the crank case at difierent elevations, a duct leading from the bearing of the engine shaft to the casing, and a water trap having a discharge outlet.
- a closed crank case an oil separating chamber communicating therewith through ports located below the crank shaft of the engine and on opposite sides thereof.
- a crank case in combination, a crank case, an oil separating chamber, a port leading from the crank case to the chamber, a port at a lower level leading from the chamber to the crank case, and a plate in the chamber over-hanging the last named port.
- a crank case in combination, a crank case, an oil separating chamber having a port delivering to and a passage leading from the crank case, and a screen interposed between the passage and the port.
Description
N. M. LOWER.
OIL SEPARATOR FOR STEAM ENGINES.
APPLICATION FILED FEB. 19. 1914.
1,144,3319 Patented June 22, 1915.
5 SHEETS-SHEET l.
fwyemn' WITNESSES: v I fi INVENTOR.
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N. M. LOWER.
, OIL SEPARATOR FOR STEAM ENGINES.
I APPLICATION FILED FEB. WI 1914. 1,144,331.
Patented June 22, 1915;
5' SHEETS-SHEET 2.
i 3? ll TA 0 25 j m 0 V o 52 /22 29 O m Q /9 g 22 o o \o 28 ATTORNEKS.
N. M. LOWER.
OIL SEPARATOR FOR STEAM ENGINES.
APPLICATION FILED EEB. 19.1914.
Patented June 22, 1915.
5 SHEETS-SHEET 3.
IN VEN TOR.
j aiauz/f [aware A TORNE YS.
N, M. LOWER. OIL SEPARATOR FOR STEAM ENGINES. APPLICATION FILED FEB. 19. 1914.
Patented June 22, 1915.
5 SI iEETSSHEET s.
IN-VENTOR.
m 74 BY Mayan 14403087 A TTORNE YS.
NATHAN M. LOWER, OF-SGHENEGTADY, NEW YORK, ASSIGNOR TOL OCOMOTIVE STOKER COMPANY, OF SOH'ENECTADY, NEW YORK, A-CORPORATION QF PENNSYLVANIA.
v,{iI1'.SJElIEEAZRtAEIEOil FOR STEAM-ENGINES.
Ill-4,331.
Specification of Letters Patent.
Patented June 22, 1915.
Application filed February 19, 1914. Serial No. 819,767.
To all whom it may concern:
Be it known that I, NATHAN M. LOWER, a citizen of the United States, and resident of Schenectady, county of Schenectady, and State of New York, have invented certain new and useful Improvements in Oil-Separators for Steam-Engines, of which the fol- .lowing is a specification, and which are illustratedin the accompanying drawings, forming a part thereof.
The invention relates to steam engines of the type in which the crank shaft isinclose'd in a casing and the lubrication is accom- A plishedby the splash system. c
.Inengines of this type thecrank case s partially filled with oil, andthe novement of the crank and eccentric,by splashing the oil, lubricates the various bear1ngs including the walls ofthe cylinder and valve casing.
There is always 'a leakage of steam from the cylinder and valve chest nto the crank case, and the water duetoits condensation becomes, mixed with the oil and 'tends to fill the casing.
An opening is necessarily provided for the transfer. of air to and from the crank casing because of the suction and air displacement incident to the reciprocation of theparts; this action being more pronounced insingleacting engines. The'constant splashing of the liquid causes an admixture of air therewith and develops a spray which is carried from the engine and retaining the" .oil
gine; Fig 4 is asectional view onlthejline 4-4 of'Fig. 3-; Figs. 5 and Gare detailsections on "the linesj5.5 and 6- 6, resp ec-v increm n vapo h re hroug tively, of Fig. 4; Fig. 7 is a detail vertical sectional view of the crank case of an engine and the crank disk thereof showing a modification, taken on the line 77 of Fig. 8; Fig. 8' is a detail sectional view on the line 8-8 of Fig. 7; Fig. 9 is a vertical longitudinal section of a double acting engine provided with the improved separator; Fig. 10 is an end elevationpartly in section, of an engine showing a further modification; and "Figs. 11 and 12' are detail sections. on .the lines 1l11 and 12'l2, respectively, of Fig. 10.
Theengine cylinderis represented at 10, and the valve casing thereof at 11.
At 12 there isshown the crank case to which the lower ends of the cylinder and valve casing. open, and through which asses the crank shaft 13 which is journa ed in suitable boxes within the ends of the casing.
At 14 there is shown a pair of crank disks 'forming'part 'of the shaft 13; at 15 the wrist g1ne*valve;- and at'18 the eccentric, controlled by a suitable governor for actuating the valve.
'In the engineas'illustrated there is also present mechanism, including a hand lever 19 controlling a shiftable sleeve 20 on the crank shaft, for regulating the governor,
but as this feature is not claimed in the present application it need not be further described, and, with the parts previously referred to, 1nay be'of any desired form of construction.
The separatorcomprises a casing 21 which closes oneen'd of the crank case 12, being provided with a flange 22 bolted thereto. his casing'also constitutes the bearing for one end of the crankshaft, and is open at the top to provide the breathing port for the engine, permitting the ingress and egress of air due to the piston movement. A port 23 in the inner wall of'the casing 21, above the shaftjournahpermits the air to enter the crank caseand the discharge therefrom of the'intermixed oil and water. This port is covered by ahoo'd 24 whichdeflects the material descha rged into the casing 21 downwardly and toward the outer wall of the casing, the liquids falling to the bottom of the casing, which is below the crank shaft,
v and the air escaping from the top.
f The upper portion of the chamber of the casing 21 being of considerable caplacity, the is slow,
with the result, in connection with the downward discharge through the port 23, of freeing the air from the liquids. The open upper end of the casing 21 is preferably provided with a ported cap 25 to prevent the entrance of dust and dirt. Within the lower end of the casing 21 there is provided a trap 26 for the water, this trap being preferably formed as a compartment of the casing. Adjacent its lower end the trap is provided with a port 27 open to the chamber of the casing 21 to admit the water, which, by reason of its greater specific gravity and absence of agitation, is separated out from the oil. A discharge port 28 leads from the upper portion of the trap 26, and is here represented as a threaded aperture adapted to receive the nipple of a drain pipe (not shown). At a still greater elevation the trap is provided with a vent port 29 to prevent siphonic action through the drain pipe.
The inner wall of the casing of the separator is ported, as shown at 30, 31, to'permit the return flow of oil, from which the water has been separated by gravity, to the crank case 12. Preferably, as shown, a plate extends from the wall within which the ports 30, 31 are located into the chamber of the separator and above these ports and a screen 41, here shown as imperforate, depends from this plate, the plate and screen forming a hood over-hanging the ports. The screen 41 is therefore interposed between the passage leading from the induction port 23, to the lower portion of the separating chamber. Material descending through this passage is composed of an admixture of oil and water. There being no agitation within this chamber, the waterwill be precipitated and the oil freed from the water will rise back of the screen and pass into the crank case through the ports 30, 31.
In the modification of Figs. 7 and 8, two ports 35,36, are provided in the wallbetween the crank case and separator chamber, the former to provide for the outflow of the liquid from and the other to permit its return to the crank case. This circulation is induced by the building up of the liquid at one side of the crank chamber due to the rotary movement of theparts carried by the crank shaft, as indicated by the dotted line 37 and the arrow applied to the crank disk 38. There being a considerable head of liquid at the side of the chamber where the port 35 is located, and little or stantially freed from water. Thisarrangement may be preferred where the air movement is slight, as in a'double-acting engine. While the oil separator as applied to a double-acting engine, as represented in Fig. 9, is shown as of the same form as in Figs. 1 to 6, it is obvious that the air vent may be reduced in size, as comparatively slight compression is developed in the crank case of an engine of this type.
Before starting the engine thecrank case 12 will be supplied with oil to a suflicient depth to cause the necessary splash by the action of the crank 15 and other movable parts, and the oil supply may be renewed as by means of a cup 39. The separator chamber is of sufficient size to insure slow movement of vapors and liquids therein, thereby facilitating the precipitation of the heavier materials.
I claim as my invention- 1. In combination, an engine having a closed crank case, such case being vented, and means fon eliminating oil from the spray passing out at the vent, a chamber for receiving the oil so' separated and having a return port open to the crank case.
2. In combination, an engine having a closed crank case, such case being vented, means for separating liquids from the spray discharge from the vent, and means for separating the oil content out of such liquid and returning it to the crank case. 3. In combination, a steam engine having a closed crank case, an oil separator comprising a casing having ports at different elevations communicating with the crank case, a hood within the casing over the outer end of the upper port, and a water trap in the lower end of the casing having a discharge port.
4. In combination, a steam-engine having a closed crank case, an oil separator comprising a vented casing having ports at different elevations communicating with the crank case, a hood within the casing. over the upper port, and a water trap in the lower end of the casing having a discharge port. a
5. In combination, a steam engine having a closed crankcase, an oil separating chamber connected with the crank case by induction and eduction ports and having a vent opening, the passage leading to the vent opening being of greater cross-sectional area than the induction passage.
6. In combination, a steam engine having a closed crank case, and a separator adapted to receive spray from the crank case and:
having a vent, an outlet for water, and a port for returning oil to the crank case.
7. In combination, a steam engine having a closed crank case, and an oil separator comprising a casing having ports communicating with the crank case at difierent elevations, a duct leading from the bearing of the engine shaft to the casing, and a water trap having a discharge outlet.
7 8. In a steamengine, a closed crank case, an oil separating chamber at the end of the crank case and communicating therewith through ports located below the crank shaft of the engine and on opposite sides thereof.
9. In a steam engine, a closed crank case, an oil separating chamber communicating therewith through ports located below the crank shaft of the engine and on opposite sides thereof.
10. In a steam engine having a closed crank case, in combination, an oil separating chamber, an upstandin wall having a port above the engine shaft leading to the chamber and a port below the shaft leading therefrom and a hood within the chamber overhanging the last named port.
11. In a steam engine, in combination, a crank case, an oil separating chamber, a port leading from the crank case to the chamber, a port at a lower level leading from the chamber to the crank case, and a plate in the chamber over-hanging the last named port.
12. In a steam engine, in combination, a crank case, an oil separating chamber having a port delivering to and a passage leading from the crank case, and a screen interposed between the passage and the port.
NATHAN M. LOW R.
Witnesses:
R. H. GIBBEs, H. R. HEGEMAN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81976714A US1144331A (en) | 1914-02-19 | 1914-02-19 | Oil-separator for steam-engines. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81976714A US1144331A (en) | 1914-02-19 | 1914-02-19 | Oil-separator for steam-engines. |
Publications (1)
Publication Number | Publication Date |
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US1144331A true US1144331A (en) | 1915-06-22 |
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US81976714A Expired - Lifetime US1144331A (en) | 1914-02-19 | 1914-02-19 | Oil-separator for steam-engines. |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4468979A (en) * | 1980-07-25 | 1984-09-04 | Honda Giken Kogyo Kabushiki Kaisha | Breather ventilation system of power-transmission casing for use in motorcycle |
US4616526A (en) * | 1983-02-26 | 1986-10-14 | Toyota Jidosha Kabushiki Kaisha | Transmission device housing construction with shaft lubricating oil shield cover generating lubricant pool |
US4987795A (en) * | 1989-11-03 | 1991-01-29 | Sundstrand Corporation | Vented transmission |
-
1914
- 1914-02-19 US US81976714A patent/US1144331A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4468979A (en) * | 1980-07-25 | 1984-09-04 | Honda Giken Kogyo Kabushiki Kaisha | Breather ventilation system of power-transmission casing for use in motorcycle |
US4616526A (en) * | 1983-02-26 | 1986-10-14 | Toyota Jidosha Kabushiki Kaisha | Transmission device housing construction with shaft lubricating oil shield cover generating lubricant pool |
US4987795A (en) * | 1989-11-03 | 1991-01-29 | Sundstrand Corporation | Vented transmission |
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