US2033577A

US2033577A - Pump

Info

Publication number: US2033577A
Application number: US698831A
Authority: US
Inventors: Melmoth W Hunter
Original assignee: Individual
Current assignee: Individual
Priority date: 1933-11-20
Filing date: 1933-11-20
Publication date: 1936-03-10
Anticipated expiration: 1953-03-10

Description

March 10, 1936. w, HUNTER 2,033,577

PUMP Filed Nov. 20, 1933 2 Sheets-Sheet 1 7 x if i 31 ATTORNEY ig Fua' B Bwfffw March 10', 1936. M HUN ER 2,033,577

. Filed Nov. 20, 1935 2 Sheets-Sheet 2 M W HUNTER I INVENTOR BY f I ATTbRNEY Patented Mar. 10, 193

UNITED STATES rum-- Melmoth w. Hunter, Lorain, Ohio Application November 20, 1933, Serial No. 698,831

. 14 Claims." (01. 103-113) This invention relates to improvements in pumps and while adapted for use generally wherever -it may be advantageously employed,

. the invention is particularly intended for application to pumps for circulating water in the cooling systems of internal combustion engines in which connection it will be illustrated in the drawings and hereinafter described.

Objects of the invention are to provide a pump ter within the casing will be given a rapid whirling motion suficient to cause it to be centrifugally expelled through a discharge opening in the peripheral wall of said casing and to provide a casing having a magnetically attractive wall and a non-magnetic diaphragm forming an opposed wall, said walls provided with axially alined, op-;

posed annular seats which form bearing surfaces which progressively engage the peripheral portions of said wabbler element and which limit the-wabbling movement thereof.

A particular object is to provide a. centrifugal pump having a magnetically attractive impelling element whichwill impart a rapid whirling movement to 'a liquid by a circumferentially progressing tipping movement instead of the usual rotary movement and to completely enclose said impelling element and provide magnetic means for providing such tipping movement of the impelling element and to thereby provide an efilcient pump having no packing glands and havingan impelling element which may be operated continuously. for a long period of time without lubrication and without being materially efiected b wear.

A further object is to provide a practical, centrifugal pump having a casing enclosing a pump cavity with the impelling element therein and to enclose said casing with a non-magnetic dia phragm and to provide a fined solenoid having- ,vention,

the peripheral portions of said impelling element, without the use of brushes or other movable connections and to provide a pump in whicha liquid may be congealed by freezing or otherwise and which will not be broken by operating Y the driving means while the liquid is so congealed. A still further object is to provide a pumpof the character above indicated which 'may be operated by making, breaking or otherwise controlling the electrical circuit in which the electro-magnet is interposed, either manually, thermostatically or otherwise.

Other objects will be made apparent by the following specification in which a specific adaptation of the invention will be described with reference to the illustrative embodiment thereof disclosed in the drawings, it being understood that changes and modifications may be made which come within the spirit of the invention as set forth in the appended claims:

In the drawings:-

Figure l is a side elevational view of a portion of an internal combustion engine equipped with a pump constructed in accordance with this in Figure 2 is a central, vertical, longitudinal view of a pump constructed in accordance with this invention,

Figure 3 is a; cross sectional view taken as indicated by the lines 3-3 of Figure 2 with the so wabbler element removed.

Figure 4 is a plan view of the interior face of the non-magnetic diaphragm employed in reducing the invention to practice.

Figure 5 is a plan view of the impelling elet5 ment employed in the adaptation of the invention illustrated.

an internal combustion engine and the numeral "i the motor head, The head l and the block t are provided with the usual water cavity 8. The numeral 8 denotes a pump casing which forms an'integral'part of the head i and projects forwardly therefrom. The forward wall It of the head I forms the rear wall of the pump cavity I l'. The pump cavity ii is of convolute iorm, its pe- I ripheral 'wall forming a single convolution, and is provided on the rear wall l0 with'a centrally positioned, cylindrical passage II which communicates with the water cavity 8.

The numeral l3 denotes an outlet nipple which projects upwardly from the upper side of the pump casing 9. The bore ll of the nipple i3 leads from the outermost portion of the convoluted wall and communicates with the cavity H. The wall of the pump casing 9 is relatively thicker at one side of the bore l4 and the cavity ll gradually enlarges to provide a greater diameter at the opposite side of the bore l4. The

wall of the bore [4 curves at the inner end there-.

of toward the enlarged side of the cavity ll thus terminating at the thickened portion of the wall 9 at a sharp angle to the circumferential wall of the cavity, while the opposite side of the wall of the bore l4 forms a continuous curved line which is in fact a continuation of the wall of the cavity. The wall I6 is thickened around the opening I 2 on the forwardly presented side thereof to provide an annular seat l5 which is in the form of a truncated cone with the bore i2 in the exact center thereof. The casing 9 is provided with an enlarged opening IS on the forward side thereof, the opening l6 being further enlarged to provide a seat I! in which is mounted a diaphragm l8 which completely closes the opening IS, a suitable gasket I9 being employed to seal the joint between the diaphragm l8 and the seat ll.

The numeral 20 denotes a magnet casing which is closed at the outer end and is provided at the inner end thereof with a face adapted to fit against the forward wall of the casing 9 and against the peripheral portions of the diaphragm IS. The magnet casing 20 is secured to the pump casing 9 by means of the bolts 2| or other suitable means. The magnet casing 20 is provided with a rearwardly presented annular cavity 22 in which is operatively mounted a solenoid consisting of a coil or coils 23, and the central portion 24 of the magnet casing 26 projects rearwardly in the form of a cylinder and is provided with an axial bore which forms a bearing for the shaft 25.

The diaphragm I8 is composed of brass or other non-magnetic material and the main body thereof is disposed in parellel relation with the main portion of the wall I0. The diaphragm It has a relatively thin central portion which is pressed rearwardly to provide the annular seat I So. which is in the form of a truncated cone and which is directly opposed to the annular seat l5. The seat I 8a is arranged in co-axial alinement with the seat l5 and in the particular adaptation of the invention shown, said seats form conical surfaces, every portion of which is in alinement with the surface of the other seat, diametrically opposite thereto.

The numeral 26 denotes a wabbler element which is in the form of a disk having a central opening 21 and provided adjacent the center thereof with a plurality of openings 28. The numeral 29 denotes a pin which is suitably secured to the central portion of the diaphragm I 6 so as to project therefrom. The wabbler element 26 is positioned in the cavity II with the pin 29 loosely received in the opening 21 in a position where the marginal portion of one side thereof will fit against a portion of the seat l5 at one side thereof and the diametrically opposed marginal portion of the other side of the disk will fit against the seat l8a, thus mountingthe wabbler element 26 for tipping movement across the cavity in every direction, this tipping movement being limited only by the seats l5 and i811.

In the particular adaptation of the inventionshownjthe peripheral portion of the wabbler element 26 tapers outwardly to a relatively thick edge portion. The pin 29 is provided at the for ward end thereof with a rounded'base 3| and at the rear end thereof with a head 30 which functions to retain the wabbler element 26 in a central portion in the cavity II and which will prevent the wabbler element 26 from being drawn flat against either side of the cavity 18. Means are then provided for moving the wabbler 26 to an operative position. The central portion 24 of the magnet casing 20 terminates in spaced relation to the rear end of the casing. A portion of the shaft 25-is enlarged to form a shoulder '32 which fits against the rear end of the central portion 24.

The rear end portion 25a of the shaft 25 projects rearwardly from the shoulder 32 at an inclination to the axis thereof. The portion 25a terminates in close, spaced relation to the diaphragm l8 whereby the rearwardly presented face thereof will always be positioned directly in front of some portion of the seat l8a. The casing 26 and the central portion thereof 24 is composed of iron or other material which is a good conductor of magnetic flux. The shaft 25 or at least the end portion 25a is composed of steel whereby it may be energized by the operation of the coil 23 to form a permanent magnet. The shaft 25 projects forwardly from the casing 20 and is provided with a drive sheave 33 which is fixedly secured thereto by means of the set screw 34 or other suitable means. In the particular adaptation of the invention, the shaft 25 is provided on the forward end'there'of with a fan 35 which is suitably fixed thereto.

The diaphragm I8 is composed of brass or other non-magnetic material while the walls of the casing 9 are composed of iron or other material which is a good conductor of magnetic flux.

In operation, the coil 23 is energized by operatively connecting it to a source of electrical energy. As the rearwardly presented portion 25a of the shaft 25 is presented toward a portion of the seat lBa, one side of the wabbler element 26 will be drawn against the seat IBa, while the side of the wabbler element 26 diametrically opposite will be drawn fiat against the opposite side of the seat I5. As the shaft 25 is rotated by means of the belt 36, the rearwardly presented end portion 25a of the shaft 25 travels in an annular path which and will flow through the wabbler element l8 to' the wall 10 whereupon it will flow through the wall 20 thus completing the magnetic circuit. As the wabbler element 26 is provided with an opening 28, the water thus expelled through the nipple 13 will be replaced by water drawn through the bore l2. The opening 28 acts to permit the inlet flow of liquid to both sides of the wabble element 26. I

, While I have described the laterally divertedpole piece 25a as composed of steel to form a permanent magnet, it is understood that the same may be composed of iron or other suitable material which will not be permanently magnetized. The coil 23may be in the form of one, two or any number of coils, wound in accordance with the result desired. An additional coil may be sub- 5 stituted to form an electro-magnet which will function as the permanent magnet formed by the pole piece 254: or the coil 23 may be formedoi individual windings adapted to be selectively employed. to produce the desired pumping action.

The flow of electrical current to the coil 22 or to one or more coils composing same maybe thermostatically controlled to produce any desired operation of the propeller element, it being thus possible to bring the wabbling movement of the claim as new and desire to secure by Letters Patent is:-- V

1. .In a pump of the character described, a suitable casing enclosing an unobstructed chamber extending continuously between the walls thereof, said chamber having an axial inlet openingand a peripheral discharge opening, an impeller" mounted therein for tilting movement in every direction and means to progressively tilt said impeller in continuous, circumferential progression.

2. In a pump of the character described, a suitable casing having side walls with a pump chamber extending continuously therebetween, one of said side walls having a centrally positioned inlet opening leading to the central portion of said chamber; said chamber having a peripheral discharge opening leading from said chamber, a disk mounted therein for tilting movement across the cavity of the casing in every direction and means to progressively tilt said disk in continuous, circumierential progression. 3. In a pump of the character described, a suitable casing enclosing a continuous pump chamber, said chamber having a central inlet opening and a discharge opening positioned radially outwardly with respect to said inlet opening, an impeller iulcrumed therein" for tilting movement in every direction and means outside of said casing to progressively tilt said disk in continuous, circumferential progression.

4. In a pump of the character described, a casing having opposed side walls and a peripheral cavity, a disk positioned in said casing for tipping movement-in any direction to bridge the space between said walls, said casing provided with an inletport leading'to the central portion of said cavity and having a discharge opening leading from said cavity at a point spaced outwardly from the center thereof and means to tip said dish in continuous, circumferential progression.

6. In a pump ofthe character described, a casing having opposed side walls, and a peripheral Wall enclosing an unobstructed cavity, a disk positioned in said casing for tipping movement in every direction to extend between said walls,

said chamber provided with a'centrally positioned inlet opening and a discharge opening positioned radially outwardly with respect to said inlet opening, saidside walls provided with opposed, axially allned' seats concentrically arranged around the axis of the pump, the diametrically opposed marginal portions of said disk adapted to bear against said seats, andmeans to rapidly tip said disk in continuous, circumferential progression. v I '7. In a pump of the character described, a casing having a cavity'- with oppositely disposed, similar side walls and a convolute peripheral wall, said casing having an inlet opening in one side wall thereof leading to the central portion of said cavity and a dischargeopening in the peripheral wall thereof leading from said cavity, a circular impeller element fulcrumed on an extended axis of said inlet'opening for tilting movement in every direction, said impeller element being of sufficient diameter to simultaneously contact at an acute angle withboth side walls and means operable to progressively tilt said impeller element in continuous, circumferential progression.

8. In a pump of the character described, a

casing having a cavity with oppositely disposed.

side walls of similar contour and a peripheral wall enclosing an unpartitioned cavity, said casing having an inlet opening leading to the central portion of said cavity and a discharge opening leading from said cavity at a point spaced radially outwardly with respect to said inlet opening, a circular impeller element mounted in said casing for tilting movement in every direction, said impeller element being of sufilcient diameter to simultaneously contact with both side walls, said impeller element provided with an opening in the central portion thereof and means operable to progressively tilt said impeller element in continuous, circumferential progression.

9. In a. pump oi the character described, a casing having a cavity with oppositely disposed side walls of similar contour and a peripheral wall. said walls enclosing an unobstructed cavity, saidcasing having an inlet opening in one side wall thereof leading to the central portion of said cavity and a discharge opening leading from a peripheral portion of said cavity; a circular impeller element in said casing, said impeller element loosely iulcrumed on an extended axis of said inlet opening for tilting movement in every direction, said in'peller element being of suficient diameter to simultaneously contact with both side walls, an annular seat on each side for contacting with the marginal portion of said impeller element and magnetic mean's operable'to progressively tilt said impeller element in continnous, circumferential progression.

10. In a pump, a casing composed mainly of magnetically conductive material, said casing having side walls and a peripheral wall, said casing having an inlet opening in one side wall thereof and having adischarge opening in the peripheral wall thereof, the forward wall of said casing being in the-form of a relatively thin diaphragm oi non-magnetic material, a disk positioned in'said casing, said disk adapted to be.

tilted across the cavity of said casing with one edgeportion contacting with the rear wall thereof and the diametrically opposite edge portion contacting with said diaphragm, an electromagnet having. a rotatable core connected to said casing, the said core terminating in an inclined pole portion presented to the outer face of said diaphragm and adapted when rotated to travel in an annular path coincident with the peripheral edge of said disk and means to rotate said core and tilt said disk in continuous, circumferential progression.

11. In a pump, a casing composed mainly of magnetically conductive material, said casing having parallel side walls and a peripheral wall, said casing having an inlet opening in one side wall thereof and having a discharge opening in the peripheral Wall thereof, the forward wall of said casing being in the form of a relatively thin diaphragm of non-magnetic material, opposed, axially alined, annular seats on the inner face: of said side walls, a disk of magnetically conduc tive material positioned in said casing, said their adapted to be tilted across the cavity of the casing with opposite edges thereof simcltaneor contacting with said seats, electric in having a rot""'able core connected to said core terminat' in an inclined 1 presented to the or face of die"; adapted when rotated to travel in a. path coincident with the peripheral edge 0. disk thereby into 1g said disk in the of said magnet an cans to rapidly re said core and tilt said disk in continuous, circumferential progression.

12 In a pump, a casing composed of magnetically conductive material, said casing having substantially parallel side walls and a peripheral wall, said casing having a centrally positioned inlet opening in one side wall thereof and having a suitable discharge opening, one wall of said casing being relatively thin and composed of magnetically non-conductive material, opposed, axially alined, conical seats on said side walls, a disk positioned in said casing, with one edge por tion thereof bearing against one of said seats and the diametrically opposed edge portion thereof bearing against the other seat, an electric magnet frame composed of magnetic conductive material operatively connected to said casing,

a magnet coil in said frame, a suitable core rotatably mounted on said frame and extendin through said coil, the said core terminating in a diverted pole portion presented in close spaced relation to the outer face of said thin side wall and adapted when rotated to travel in an annular path coincident with the seat on said thin side wall, said disk being thus interposed in the magnetic circuit of said coil, means to energize said coil and means to rapidly rotate said core to cause a continuous, circumferentially progressing tilting movement of said disk.

13 In a pump, a casing composed of magnetically conductive material, said casing having substantially parallel side walls and a peripheral wall, said casing having a centrally positioned inlet opening in one side wall thereof and having a suitable discharge opening, one wall of said casing being relatively thin and composed of eticelly non-conductive material; opposed, nw, conical seats on said side walls, a i itioned in said casing, with one edge porxion thereof bearing against one of said seats and p aa w caring against the other seat, an electric mag- .et frame composed of magnetic conductive material operatively connected to said casing, a solenoid coil fixed in said frame, a rotatably Bid-milled core for said solenoid, said core projecting rearwardly from said coil and terminating in an end portion diverted from the axis of the solenoid with the end thereof close to said diaphragm and adapted when rotated to cause an operative movement of said wabbler element.

14. In a pump of the character described, a casing having a wabbler element mounted therein for continuous, circumferential-tipping movement, a solenoid coll fixed in coaxial alignment therewith, a core rotatably mounted in said coil, said core having a diverted end portion positioned to influence said wabbler element and means to rotate said core.

MELMO'I'H wl HUNTER.

he diametrically opposed edge portion thereof