US1743977A - Rotary engine - Google Patents

Rotary engine Download PDF

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Publication number
US1743977A
US1743977A US236166A US23616627A US1743977A US 1743977 A US1743977 A US 1743977A US 236166 A US236166 A US 236166A US 23616627 A US23616627 A US 23616627A US 1743977 A US1743977 A US 1743977A
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United States
Prior art keywords
casing
cylinder
rotor
blades
inlet
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
Application number
US236166A
Inventor
Peter C Petersen
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Viking Pump Inc
Original Assignee
Viking Pump Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Viking Pump Inc filed Critical Viking Pump Inc
Priority to US236166A priority Critical patent/US1743977A/en
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Publication of US1743977A publication Critical patent/US1743977A/en
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Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3448—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member with axially movable vanes

Definitions

  • My invention relates to a rotary engine which may also be employed as a rotary pump.
  • One object of the invention is to provide an engine of this character which will be simple in construction and comparatively inexpensive, but which at the same time will be efIi-cient in operation and capable of producing an exceptional amount 0f power when used as an engine, and a. strong, steady flow of fluid when used as a pump.
  • Another object is to provide a rotary engin having an improved construction of rotor and means whereby the rotor will be firmly held in operative position in the casing.
  • Figure 2 is a vertical cross section taken on the line 22 of Figure 1. ⁇ t
  • Figure 3 is a similar view taken on the line 3-3 of Figure 1.
  • ports are oppositely-disposed
  • Figure 4 is a perspective View of the rotor and one ofthe end cover plates ofthe casing showing the manner in which the cams onthe cover plate act on the blades or vanes of the rotor.
  • Figures 5 and 6 are diagrammatic end elevations of the casing showing more Iclearly the arrangement of the inlet and outlet ports and channels connecting the same.
  • 1 denotes the cylinder or cylindrical casing which is preferably cast integral with a suitable supportng base 2.
  • the cylinder or casing vis open at both ends and has formed in one side an external intake port 4 and in its opposite side an external discharge port 5. These ports are-disposed directly opposite to each other, and projecting from the sides of the casing around these internally threaded bosses or sockets 6 for the reception of piping through which fluid enters and is discharged from the casing.
  • the intake port 4 Icommunicates at its inner f end with two inlet channels 7 and 8 'which any suitable manner.
  • the discharge port 5 communicates at its inner end with two outlet channels 11 and 12 formed in the adjacent side of the casing and which in turn communicate at their inner y ends with two outlet ports 13 and 14.
  • rllhese internal inletand outlet ports are located near the opposite ends of the ⁇ casing and are so arranged that there will be one inlet and one outlet port disposed directly opposite to each other in each end of the casing.
  • the cylinder or casing is preferably provided with a bushing 15 ⁇ which extends through and is preferably sweated into the casing, but which may be secured therein in The bushing is provided with openings which align with the internal inlet and discharge port-s.
  • the open ends of the cylinder or casing are closed by removable cover plates or heads 16 which are preferably secured-to the ends of the ⁇ casing by screws 17 which engage threaded openings in said ends of the casing.
  • Suitable gaskets are disposed between the Cover 'plates and ends of the casing to form fluid tight joints between these parts.
  • tubular extensions 19 which form bearings for the ends of the rotor shaft, and which are provided with suitable bushings and stuh'iing boxes to form a fluid tight bearing.
  • annular recesses 20 In the inner sides of the cover platesA or cylinder heads 16, and 'concentric with the bearing openings therein, are annular recesses 20, the
  • cam-shaped abutments 21 which are preferably formed integral with the heads, and project into the ends of the casing.
  • Each abutment is formed with two segmental-shaped cam surfaces 22 which extend in opposite directions from the central high part or block of the abutment and incline t the inner surface of the plates or heads.
  • the abutment cams are so arranged on the heads that, when the engine is assembled, the
  • Rotatably mounted in the cylinder or casing is a cylindrical rotor or piston 23 which is keyed or otherwise securely fastened to a shaft 2l mounted in the bearings in the cylinder heads.
  • cylindrical projections 25 On the opposite ends of the i'otor are formed cylindrical projections 25 which extend into the annular recesses 20 in the cylinder heads and hold the rotor against endwise movement or thrust and also steady the rotor in its rotation.
  • the rotor or piston is provided with' a plurality of longitudinally disposed, radially extending slots or passages 26, the lower portions of which extend entirely through or across the cylindrical projections 25 on the ends of the rotor as clearly shown in Figure 4 of the drawings.
  • the blades or vanes 27 of the piston In the slots or passages 26 are mounted the blades or vanes 27 of the piston, said blades being adapted to slide back and forth in thc slots 2G under tlieactioii of the abutment cams which engage the ends of the plates at their outer edges.
  • the cam engaged portions of the ends of the blades are beveled toform V-shaped cam-engaging surfaces ⁇ as shown at 28 in Figure 4.
  • the cylinder heads are preferably, but not necessarily, seated flat collars or wear plates 29 against which the ends of the projections 25 on the ends of the piston or rotor bear.
  • the cam surfaces of the abutments alternately shift the blades back and forth through the slots in the piston ⁇ and, when used as an engine, steam or other Huid under pressure enters the intake port on one, side of the cylinder or casing and passes through the inlet channels and into the cylinder and forcibly engages the blades as they are alternatively projected into the opposite ends of the cylinder by the cam abutments.
  • the exhausted steam will be discharged through the outlet channels and ports in the opposite side of the cylinder as will be readily understood.
  • the device is used as a pump, the piston is rotated by power applied to the shaft. and the blades are reciprocated in the piston as previously described. As the blades are thus alternately projected into and retracted from the opposite ends of the cylinder. the water or other fluid will be drawn into the cylinder through theintake portsl and channels in one side of the cylinder or casing and expelled through the outlet channels and ports in the opposite side of the cylinder. This intake and expulsion takes place alternatively and simultaneously at both ends of the cylinder, causing a constant stream to flow from the outlet port.
  • a cylinder casing having open ends, opposed inlet and outlet ports and a plurality'of sets of internal inlet and outlet channels, the inlet and outlet channels of each set communicating withv the inlet and outlet ports respectively and being arranged in opposed relation within the casing, and the respective sets of channels being arranged side by side, cover plates secured to the open ends of the cylinder casing and havingcam members fitted therein, lying outwardly of the plane of the opposed inlet and outlet ports, a shaft journalled in the cover plates, aA rotor fixed on said shaft, and a one piece annular bushing interposed between the rotor and cylinder casing, said bushing being fitted between the cam members and the cylinder casing and clamped in position thereby, said bushing having sets of inlet and outlet nels in the casing for the How of fluid.

Description

Jan. 14, w30. F. c. Pr-:TRSEN ROTARY ENGINE Filed NOV. 28. 1927 mwm z Il .Hm
@1a/Le@ Mw l lihw
,N r la @Hot Jan. I4, 1 930. .R c; PETERSEN ROTARY ENGINE 5 sheets-shew 2 Filed Nov. 28. 1927 311mm @u @bm awnL,
Jan. R4, H930. P. c. PETERSEN ROTARY ENG INE Filed Nov. 28 1927 3 Sheets-Sheet Patented dan, 14,1930
eineny PETER C. PETERSEN, OF CEDAR FALLS, IOWA, ASSIGNOR T0 VIKING PUMP COMPANY,
` OF CEDAR FALLS, IOWA ROTARY ENG-INE Application-filed November 2S, 1927. Serial No. 236,166.
My invention relates to a rotary engine which may also be employed as a rotary pump. One object of the invention is to provide an engine of this character which will be simple in construction and comparatively inexpensive, but which at the same time will be efIi-cient in operation and capable of producing an exceptional amount 0f power when used as an engine, and a. strong, steady flow of fluid when used as a pump.
Another object is to provide a rotary engin having an improved construction of rotor and means whereby the rotor will be firmly held in operative position in the casing.
With the foregoing and other objects in view, the invention Iconsists in the novel featuresof construction hereinafterv pointed out and claimed, reference being had tothe accompanying drawings, in which Figure 1 is a longitudinal, horizontal section taken through thecenter of the casing and showing the rot-or in full lines.
Figure 2 is a vertical cross section taken on the line 22 of Figure 1.` t
Figure 3 is a similar view taken on the line 3-3 of Figure 1.
. ports are oppositely-disposed,
Figure 4 is a perspective View of the rotor and one ofthe end cover plates ofthe casing showing the manner in which the cams onthe cover plate act on the blades or vanes of the rotor.
Figures 5 and 6 are diagrammatic end elevations of the casing showing more Iclearly the arrangement of the inlet and outlet ports and channels connecting the same.
In the drawings, 1 denotes the cylinder or cylindrical casing which is preferably cast integral with a suitable supportng base 2. The cylinder or casing vis open at both ends and has formed in one side an external intake port 4 and in its opposite side an external discharge port 5. These ports are-disposed directly opposite to each other, and projecting from the sides of the casing around these internally threaded bosses or sockets 6 for the reception of piping through which fluid enters and is discharged from the casing. v
The intake port 4 Icommunicates at its inner f end with two inlet channels 7 and 8 'which any suitable manner.
are formed in the adjacent side of the casing and which communicate at their inner ends with internal inlet ports 9 and 10. The discharge port 5 communicates at its inner end with two outlet channels 11 and 12 formed in the adjacent side of the casing and which in turn communicate at their inner y ends with two outlet ports 13 and 14.
rllhese internal inletand outlet ports are located near the opposite ends of the `casing and are so arranged that there will be one inlet and one outlet port disposed directly opposite to each other in each end of the casing.
The cylinder or casing is preferably provided with a bushing 15 `which extends through and is preferably sweated into the casing, but which may be secured therein in The bushing is provided with openings which align with the internal inlet and discharge port-s.
The open ends of the cylinder or casing are closed by removable cover plates or heads 16 which are preferably secured-to the ends of the `casing by screws 17 which engage threaded openings in said ends of the casing. Suitable gaskets are disposed between the Cover 'plates and ends of the casing to form fluid tight joints between these parts.
On the outer sides of the cover plates are tubular extensions 19, which form bearings for the ends of the rotor shaft, and which are provided with suitable bushings and stuh'iing boxes to form a fluid tight bearing. In the inner sides of the cover platesA or cylinder heads 16, and 'concentric with the bearing openings therein, are annular recesses 20, the
purpose of which will be hereinafter de-4 scribed.
0n the inner sides of the cylinder heads or cover plates are arranged cam-shaped abutments 21 which are preferably formed integral with the heads, and project into the ends of the casing. Each abutment is formed with two segmental-shaped cam surfaces 22 which extend in opposite directions from the central high part or block of the abutment and incline t the inner surface of the plates or heads. The abutment cams are so arranged on the heads that, when the engine is assembled, the
highest part of the abutment on one cylinder head will be -directly opposite the lowest part of the. abutment on the other cylinder head.
Rotatably mounted in the cylinder or casing is a cylindrical rotor or piston 23 which is keyed or otherwise securely fastened to a shaft 2l mounted in the bearings in the cylinder heads. On the opposite ends of the i'otor are formed cylindrical projections 25 which extend into the annular recesses 20 in the cylinder heads and hold the rotor against endwise movement or thrust and also steady the rotor in its rotation. The rotor or piston is provided with' a plurality of longitudinally disposed, radially extending slots or passages 26, the lower portions of which extend entirely through or across the cylindrical projections 25 on the ends of the rotor as clearly shown in Figure 4 of the drawings. In the slots or passages 26 are mounted the blades or vanes 27 of the piston, said blades being adapted to slide back and forth in thc slots 2G under tlieactioii of the abutment cams which engage the ends of the plates at their outer edges. The cam engaged portions of the ends of the blades are beveled toform V-shaped cam-engaging surfaces` as shown at 28 in Figure 4. By thus forming the cam engaging portions of the ends of the blades friction between the same and the surfaces of the cams is reduced. The inner edges of the blades which engage and slide on the bottoms of the notches are flat, while the outer edges of the blades are slightly rounded to conform to the annular surface of the casing or the bushing therein.
In the annular recesses 2O 0f the cylinder heads are preferably, but not necessarily, seated flat collars or wear plates 29 against which the ends of the projections 25 on the ends of the piston or rotor bear.
In the operation of the device, the cam surfaces of the abutments alternately shift the blades back and forth through the slots in the piston` and, when used as an engine, steam or other Huid under pressure enters the intake port on one, side of the cylinder or casing and passes through the inlet channels and into the cylinder and forcibly engages the blades as they are alternatively projected into the opposite ends of the cylinder by the cam abutments. As the blades are alternatively retracted from the opposite ends of the cylinder, the exhausted steam will be discharged through the outlet channels and ports in the opposite side of the cylinder as will be readily understood.
I Vlien the device is used as a pump, the piston is rotated by power applied to the shaft. and the blades are reciprocated in the piston as previously described. As the blades are thus alternately projected into and retracted from the opposite ends of the cylinder. the water or other fluid will be drawn into the cylinder through theintake portsl and channels in one side of the cylinder or casing and expelled through the outlet channels and ports in the opposite side of the cylinder. This intake and expulsion takes place alternatively and simultaneously at both ends of the cylinder, causing a constant stream to flow from the outlet port.
llVhile I have shown and described the preferred construction, variations may be made within the scope of the invention as claimed.
I claim In a rotary engine, a cylinder casing having open ends, opposed inlet and outlet ports and a plurality'of sets of internal inlet and outlet channels, the inlet and outlet channels of each set communicating withv the inlet and outlet ports respectively and being arranged in opposed relation within the casing, and the respective sets of channels being arranged side by side, cover plates secured to the open ends of the cylinder casing and havingcam members fitted therein, lying outwardly of the plane of the opposed inlet and outlet ports, a shaft journalled in the cover plates, aA rotor fixed on said shaft, and a one piece annular bushing interposed between the rotor and cylinder casing, said bushing being fitted between the cam members and the cylinder casing and clamped in position thereby, said bushing having sets of inlet and outlet nels in the casing for the How of fluid.
In testimony whereof I afIiX my signature.
PETER C. PETERSEN.
4ports therein communicating with the chan-
US236166A 1927-11-28 1927-11-28 Rotary engine Expired - Lifetime US1743977A (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418081A (en) * 1943-10-02 1947-03-25 Christa Smith H Spherical fluid operated rotary motor of the axially moving sliding vane type
US2466622A (en) * 1942-11-07 1949-04-05 Hpm Dev Corp Hydraulic axial vane pump or motor
US2466623A (en) * 1944-03-11 1949-04-05 Hpm Dev Corp Hydraulic axial vane pump or motor
US2517862A (en) * 1947-06-05 1950-08-08 Rheuel H Frederick Variable capacity pump
US2607298A (en) * 1945-11-12 1952-08-19 Nicolas Jean Joseph Rotary blade apparatus adapted for use as a pumping or driving unit
US2632400A (en) * 1949-03-23 1953-03-24 Rockwell Mfg Co Hydraulic mechanism
US2688385A (en) * 1952-12-29 1954-09-07 Mclaughlin William Rotary hydraulic brake machine
US3071079A (en) * 1958-12-12 1963-01-01 Clark Equipment Co Single vane pump
US3225700A (en) * 1963-10-03 1965-12-28 William Kaiser Fluid flow device
US3339492A (en) * 1965-02-11 1967-09-05 Lawrence G Brown Rotary fluid unit
US3468260A (en) * 1967-12-01 1969-09-23 William Perry Belden Rotary pump with axially movable radial vanes
US3769945A (en) * 1971-12-13 1973-11-06 G Kahre Rotary internal combustion engine
US4573892A (en) * 1983-08-25 1986-03-04 Gordon Rosenmeier Rotary fluid device with axially sliding vanes
US5626032A (en) * 1995-06-05 1997-05-06 Neblett; Ian G. Cyclothermic converter vane pump and impeller system
DE19708641A1 (en) * 1997-02-20 1998-09-03 Guenter Dipl Ing Rucho Rotary piston machine for use as pump, compressor or motor
US5940950A (en) * 1996-06-20 1999-08-24 Galat; Donald E. Offset geared nutrunner attachment for sealing weatherstripping on an elongated thin molding
US20050214155A1 (en) * 2004-03-23 2005-09-29 Brother Kogyo Kabushiki Kaisha Pump and ink jet printer mounting the pump
US20060048743A1 (en) * 2004-09-07 2006-03-09 Al Hawaj Osama M Axial vane rotary device
CN105736365A (en) * 2014-12-11 2016-07-06 中国石油化工股份有限公司 Fluctuant movable lug constant flow pump

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466622A (en) * 1942-11-07 1949-04-05 Hpm Dev Corp Hydraulic axial vane pump or motor
US2418081A (en) * 1943-10-02 1947-03-25 Christa Smith H Spherical fluid operated rotary motor of the axially moving sliding vane type
US2466623A (en) * 1944-03-11 1949-04-05 Hpm Dev Corp Hydraulic axial vane pump or motor
US2607298A (en) * 1945-11-12 1952-08-19 Nicolas Jean Joseph Rotary blade apparatus adapted for use as a pumping or driving unit
US2517862A (en) * 1947-06-05 1950-08-08 Rheuel H Frederick Variable capacity pump
US2632400A (en) * 1949-03-23 1953-03-24 Rockwell Mfg Co Hydraulic mechanism
US2688385A (en) * 1952-12-29 1954-09-07 Mclaughlin William Rotary hydraulic brake machine
US3071079A (en) * 1958-12-12 1963-01-01 Clark Equipment Co Single vane pump
US3225700A (en) * 1963-10-03 1965-12-28 William Kaiser Fluid flow device
US3339492A (en) * 1965-02-11 1967-09-05 Lawrence G Brown Rotary fluid unit
US3468260A (en) * 1967-12-01 1969-09-23 William Perry Belden Rotary pump with axially movable radial vanes
US3769945A (en) * 1971-12-13 1973-11-06 G Kahre Rotary internal combustion engine
US4573892A (en) * 1983-08-25 1986-03-04 Gordon Rosenmeier Rotary fluid device with axially sliding vanes
US5626032A (en) * 1995-06-05 1997-05-06 Neblett; Ian G. Cyclothermic converter vane pump and impeller system
US5940950A (en) * 1996-06-20 1999-08-24 Galat; Donald E. Offset geared nutrunner attachment for sealing weatherstripping on an elongated thin molding
DE19708641A1 (en) * 1997-02-20 1998-09-03 Guenter Dipl Ing Rucho Rotary piston machine for use as pump, compressor or motor
US20050214155A1 (en) * 2004-03-23 2005-09-29 Brother Kogyo Kabushiki Kaisha Pump and ink jet printer mounting the pump
US7258535B2 (en) * 2004-03-23 2007-08-21 Brother Kogyo Kabushiki Kaisha Sealing features for a pump and ink jet printer mounting the pump
US20060048743A1 (en) * 2004-09-07 2006-03-09 Al Hawaj Osama M Axial vane rotary device
US7140853B2 (en) * 2004-09-07 2006-11-28 Osama M Al Hawaj Axial vane rotary device
CN105736365A (en) * 2014-12-11 2016-07-06 中国石油化工股份有限公司 Fluctuant movable lug constant flow pump

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