US1769079A - Rotary impeller mechanism - Google Patents

Rotary impeller mechanism Download PDF

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US1769079A
US1769079A US358830A US35883029A US1769079A US 1769079 A US1769079 A US 1769079A US 358830 A US358830 A US 358830A US 35883029 A US35883029 A US 35883029A US 1769079 A US1769079 A US 1769079A
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casing
blades
shaft
continual
substantial contact
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US358830A
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Jay M Smith
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/40Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and having a hinged member
    • F04C18/44Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and having a hinged member with vanes hinged to the inner member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/348Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member

Definitions

  • My invention has for one of its objects a rotary pump of simple and 'eflicient construction suitable for pumping or circulating, and/or compressing fluids and is also adapted to use in circulating vapor mixtures such as those employed in internal explosion engines.
  • Another object of my invention is a rotary device adapted to receive fluid under pressure and discharging the expended fluid and utilizing the force derived from said fluid torotate a shaft.
  • Myinvention is particularly suitable for the compression and/or forcing the circulation of an explosive vapor mixture, in combination with the intake manifold of an internal explosion engine.
  • FIG. 1 is across section at right angles to the shaft and'taken' on the lineI-I of Fig. 2.
  • i I A Fig. 2 is a'section of Fig. 1 on the line 11-11 thereof.
  • a main driving shaft'adapted to be driven V by any suitable power means, well-known but not shown, is indicated by the numeral 1,
  • peller blades 13, 14, 15, 16 form a running goint.
  • p I At 17, 18, 19 and 20 are blocks supporting the said impeller blades respectively, the
  • annular member 12 may be made integral with the trackll, and likewise rotate therewith, if preferred.
  • Theria will be a space 34 between blades 13 and 14 within which a partial vacuum is createduntil such time as the block at 18 uncovers the inlet port 9 at which time the vapor to be compressed will rush in filling the space 34; and this latter space is constantly enlarging as the blades proceed to the position 14, and in fact slightly in advance thereof and until the block 18 has passed and cut off the inlet 9 when the. cycle of compression,v expulsion,
  • the inlet port 9 may be en'- larged by'widening it in the direction oppo- 1 site .to the arrow 31 and towards the approaching blades and thereby partially reducing, or entirely eliminating the vacuum stage without departing from the spirit of my invention.
  • Rotary impeller mechanism comprising an annular casing having an inlet and an outlet port therein, a cylindrical member eccentrically positioned within and spaced fromsaid casing, a shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner peripheryof said casing, guide means concentric with said member engaging the lnner ends of saidblades and compelling their continual substantial contact with said member.
  • Rotary impeller mechanism comprising an annular casing havingan inlet and an out let port therein, a cylindrical member eccentrically positioned within and spaced from said casing, forming an eccentric chamber therebetween, a: shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with" said shaft and in continual substantial contact with the-innerperipheryof said casing, guide means concentric with said menrber engaging the inner ends of said blades and compelling their continual substantial contact with said member and wherein the outer surfaces of said blades are of the same curvature as the inner periphery of said casing and the inner surfaces of said blades are of the same curvature as the said member.
  • Rotary impeller mechanism comprising an annular casing having an inlet and an outlet port therein, a cylindrical member eccentri'cally positioned within and spaced from said casing, a shaft passing through said member and'said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the. inner periphery of said casing, guide means concentric with said member engaging the inner ends of said blades and compelling their continual substantial contact with said member and a bearin mounted on said casing on which said gui e means is rotatable.
  • Rotary impeller mechanism comprising an annular casing having an inlet and anoutlet port therein, a cylindrical member eccentrically positioned within and spaced from said casing, a shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner periphery of said casing, guide means concentric with said member engaging the inner ends of said blades and compelling their continual substantial contact with said member and wherein the outer surfaces of said blades are of the same curvature as the inner periphery of said casing and the inner surfaces of said blades are of the same curvature as the saidmember.
  • Rotary'impeller mechanism comprising an annular casing having an inletand an outlet port therein, a cylindrical member eccentrically positioned within and spaced from said casing, a shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the out er ends of said blades mounted torotate with said shaft and in continual substantial contact with the inner periphery of said casing, guide means concentric with said member engaging the inner ends of said-blades and compelling their continual substantial contact with said member and wherein the ends of adjacent blades when in their outer positions are closed together 6;
  • Rotary impeller mechanism comprising an annular casing having an inlet and an out.- let-port therein, a cylindrical member eccentrically positioned within and spaced from said casing, forming an eccentric chamber therebetween, a shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the
  • Rotary impeller mechanism comprising an annular casing having an inlet and an outlet port therein, a cylindrical member eccentrically positioned within and spaced from said casing, a shaftpassing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner periphery of said casing,
  • Rotary impeller mechanism comprising an annular casing having an inlet and an outlet port therein, a cylindrical member eccentrically positioned within and spaced from said casing, a shaftpassing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner periphery of said casing, guide means concentric with said member engaging the inner endsof said blades and compelling their continual substantial contact with said member and wherein the outer surfaces of said blades are of the same curvature as the inner periphery of said 4 casing and the inner surfaces of said blades are of the same curvature as the said memher and wherein the ends of adjacent blades when in their outer positions are closed together.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

July 1, 1930.- -J.M. SMITH' I 1,769,079
ROTARY IMPELLER -MECHANI SM Filed April 29. 1929 INVEI'VT /al 32 BY A Q Patented July 1, 1930 JAYIM'. SM I'II-I, OF SAN FRANCISCO, CALIFORNIA Ro'rnnY IMPELLER vrncirnnrsm Application filed April 29,
My invention has for one of its objects a rotary pump of simple and 'eflicient construction suitable for pumping or circulating, and/or compressing fluids and is also adapted to use in circulating vapor mixtures such as those employed in internal explosion engines.
Another object of my invention is a rotary device adapted to receive fluid under pressure and discharging the expended fluid and utilizing the force derived from said fluid torotate a shaft. x v
Myinvention is particularly suitable for the compression and/or forcing the circulation of an explosive vapor mixture, in combination with the intake manifold of an internal explosion engine.
' Other objects will appear from the drawings' and specification which follows:
By referring to the accompanying drawing my invention will be made clear.
' In the drawing Fig. 1 is across section at right angles to the shaft and'taken' on the lineI-I of Fig. 2. i I A Fig. 2 is a'section of Fig. 1 on the line 11-11 thereof.
Throughout the figures similar numerals refer to identical parts.
A main driving shaft'adapted to be driven V by any suitable power means, well-known but not shown, is indicated by the numeral 1,
passing through the conventional gland 2, in
the cover 3 and carried on'the bearing 4.
The opposite end ofthe shaft is carried on the bearing 5 in the plate 6,the shaft and bearing 5-being closed by the retainer 7 p Ac'ircular casing at 8 isprovided with a na'in driving shaft at 1 and an inlet 9 and'out let-10,a cover 3 and side plate 6, all providing an annular chamber within which is assembled the moving parts mentioned below. At 11, is an annular track eccentric allypo sitioned with respectto the shaft 1 and within the chamber and in the construction here shown this track is rotatable and is carried upon ball bearings at 42 mounted rigidly with the plate 6, and held associatedtherewith by the fixed annular member 12 against as whose outer surface the innerends of the im- 1929. Serial No. 358,830)
peller blades 13, 14, 15, 16 form a running goint. p I At 17, 18, 19 and 20 are blocks supporting the said impeller blades respectively, the
blades and blocks being rotatively carried 55,
blocks Within the track, but there will be a large component track movement in the (ll? rection of rotation asindicated by the arrow 31 so'that the friction developed between the blocks and the track because of the rotation of the track, will be reduced to a minimum.
Although I have shown the annular member 12 as fixed to the plate 6, it may be made integral with the trackll, and likewise rotate therewith, if preferred.
The operation is as follows( As the disc 21 rotates in the direction of the arrow 31 compressible fluidwi'll be drawn in at the -inlet 9 completely filling the com partment space 32, at such time as the blade 14 has" advanced beyond the position shown in Fig. 2 and closed the inlet 9. There will then be trapped within the space 32 themaximum volume of fluid to be compressed.
Thiscompression will occur due to the travel of the blocks as 28 in the track 11 causing a pivoting of the blade 14 outwardly until it has arrived inthe position of the blade 16.
During this travel it will have passed through the position of blade 15 at which time the fluid will have been partially compressed as shown in space 33.
' However,as the blade is advancing fro the position '15 and just after the block 20 has uncovered 'theoutlet port 10 this partially compressed fluid now in the space 33 will commence to discharge through the outlet 10, and during the next of rotation ofthe disc 21 the blade will advance fromjthe. position 15 into the positon 16,, at which time it willbe seen that the entire volume ofpartially compressed fluid in the space 33 Will have been forced through the outlet 10.
The outside curvature of the blades, 18, 16 inclusive corresponds with the circumference of the casing 8 and the curvature of their inner faces corresponds with the curvature of the annular member 12. 7
When the blade is in the position 16 the entire volume of fluid previously entrapped between blades and 16 will have been eX- pelled through the outlet 10. Theriawill be a space 34 between blades 13 and 14 within which a partial vacuum is createduntil such time as the block at 18 uncovers the inlet port 9 at which time the vapor to be compressed will rush in filling the space 34; and this latter space is constantly enlarging as the blades proceed to the position 14, and in fact slightly in advance thereof and until the block 18 has passed and cut off the inlet 9 when the. cycle of compression,v expulsion,
vacuum and intake willbe repeated.
If preferred the inlet port 9 may be en'- larged by'widening it in the direction oppo- 1 site .to the arrow 31 and towards the approaching blades and thereby partially reducing, or entirely eliminating the vacuum stage without departing from the spirit of my invention.
While I have described my rotary device employed as a compressor, it will now be apparent that it may also be employed as a primemover by the reversing of the flow and delivering pressure fluid into the port 10 and discharging said fluid from the port 9 and abstracting power developed from the pressure expendedby the fluid passing through the device from the shaft 1.
I claim: V
1; Rotary impeller mechanism comprising an annular casing having an inlet and an outlet port therein, a cylindrical member eccentrically positioned within and spaced fromsaid casing, a shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner peripheryof said casing, guide means concentric with said member engaging the lnner ends of saidblades and compelling their continual substantial contact with said member. 2; Rotary impeller mechanism comprising an annular casing havingan inlet and an out let port therein, a cylindrical member eccentrically positioned within and spaced from said casing, forming an eccentric chamber therebetween, a: shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with" said shaft and in continual substantial contact with the-innerperipheryof said casing, guide means concentric with said menrber engaging the inner ends of said blades and compelling their continual substantial contact with said member and wherein the outer surfaces of said blades are of the same curvature as the inner periphery of said casing and the inner surfaces of said blades are of the same curvature as the said member.
3. Rotary impeller mechanism comprising an annular casing having an inlet and an outlet port therein, a cylindrical member eccentri'cally positioned within and spaced from said casing, a shaft passing through said member and'said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the. inner periphery of said casing, guide means concentric with said member engaging the inner ends of said blades and compelling their continual substantial contact with said member and a bearin mounted on said casing on which said gui e means is rotatable.
4. Rotary impeller mechanism comprising an annular casing having an inlet and anoutlet port therein, a cylindrical member eccentrically positioned within and spaced from said casing, a shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner periphery of said casing, guide means concentric with said member engaging the inner ends of said blades and compelling their continual substantial contact with said member and wherein the outer surfaces of said blades are of the same curvature as the inner periphery of said casing and the inner surfaces of said blades are of the same curvature as the saidmember.
5. Rotary'impeller mechanism comprising an annular casing having an inletand an outlet port therein, a cylindrical member eccentrically positioned within and spaced from said casing, a shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the out er ends of said blades mounted torotate with said shaft and in continual substantial contact with the inner periphery of said casing, guide means concentric with said member engaging the inner ends of said-blades and compelling their continual substantial contact with said member and wherein the ends of adjacent blades when in their outer positions are closed together 6; Rotary impeller mechanism comprising an annular casing having an inlet and an out.- let-port therein, a cylindrical member eccentrically positioned within and spaced from said casing, forming an eccentric chamber therebetween, a shaft passing through said member and said casing and central with said casing, a plurality of impeller blades, the
outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner periphery of said casing, guide means concentric with said member engaging the inner ends of said blades and compelling their continual substantial contact with said member and wherein the outer surfaces ofsaid blades are of the same curvature as the inner periphery of said cas ing and the inner surfaces of said blades are of the same curvature as the said member and wherein the ends of adjacent blades when in their outer positions are closed together.
7. Rotary impeller mechanism comprising an annular casing having an inlet and an outlet port therein, a cylindrical member eccentrically positioned within and spaced from said casing, a shaftpassing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner periphery of said casing,
guide means concentric with said member engaging the inner ends of said blades and compelling their continual substantial contact with said member and a bearing mounted on said casing on which said guide means is rotatable and wherein the ends of adjacent blades when in their outer positions are closed together.
8. Rotary impeller mechanism comprising an annular casing having an inlet and an outlet port therein, a cylindrical member eccentrically positioned within and spaced from said casing, a shaftpassing through said member and said casing and central with said casing, a plurality of impeller blades, the outer ends of said blades mounted to rotate with said shaft and in continual substantial contact with the inner periphery of said casing, guide means concentric with said member engaging the inner endsof said blades and compelling their continual substantial contact with said member and wherein the outer surfaces of said blades are of the same curvature as the inner periphery of said 4 casing and the inner surfaces of said blades are of the same curvature as the said memher and wherein the ends of adjacent blades when in their outer positions are closed together.
JAY M. SMITH.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995009973A1 (en) * 1993-10-01 1995-04-13 COOTE, Paul, Gregory Positive displacement pump apparatus
JP2017520708A (en) * 2014-04-09 2017-07-27 ▲湯▼ 斌TANG, Bin Eccentric blade pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995009973A1 (en) * 1993-10-01 1995-04-13 COOTE, Paul, Gregory Positive displacement pump apparatus
US5795143A (en) * 1993-10-01 1998-08-18 Qvp Pty Ltd. Positive displacement pump apparatus
US5911567A (en) * 1993-10-01 1999-06-15 Qvp Pty Ltd Positive displacement pump apparatus
JP2017520708A (en) * 2014-04-09 2017-07-27 ▲湯▼ 斌TANG, Bin Eccentric blade pump
EP3144532A4 (en) * 2014-04-09 2018-03-07 Tang, Bin Eccentric movable vane pump

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