US1614389A

US1614389A - Pump

Info

Publication number: US1614389A
Application number: US112077A
Authority: US
Inventors: Rainer Earl
Original assignee: Individual
Current assignee: Individual
Priority date: 1926-05-27
Filing date: 1926-05-27
Publication date: 1927-01-11
Anticipated expiration: 1944-01-11

Description

Jan. 11

E. RAINER PUMP Filed May 27, v192e Patented Jan. 11, 1927.

UNITED STATES EARL RAINER, 0F OAK HILL, OHIO.

PUMP.

Application led May 2,7,

This invention relates Ato pumps and has for a particular object thereof the production of a pumpwhich is free from valves of the type usually employed.

A more specific object of the invention 1s to produce a pump in which the cylinder of the pum is employed to control the intake and disc arge of Huid to the cylinder.

A further object of the invention is to provide a device of this character which may be very cheaply produced, which will be durable and efficient in service and a general improvement in the art. f

These and other objects T attain by the construction shown in the accompanying drawing, wherein for the purpose of illustration is shown a preferred embodiment of my invention and wherein Figure 1 is a side elevation of a pump constructed in accordance with my invention;

Figure 2 is a vertical sectional view therethrough; .i

Figure 3 is a section on the line 3-3 of Fi ure 2.

eferring now more particularly tothe drawings, the numeral 10 generally designates a cylinder having arranged therein a` piston 11, the rod 12 of which projects through one end head 13 of the cylinder. The opposite end head 14 of the cylinder is rovided with a gear wheel 15, the end heads eing in each instance rigidly secured to the ends ofthe cylinder wall.

The cylinder wall is provided at its ends with outstanding flanges 16 and between these flanges, the periphery of the wall is provided` with a succession of annular grooves 17. Intake and

exhaust chambers

18 and 19 are provided, each of a size fitting between the end flanges of the `cylinder wall and having their inner faces curved to conform to the curvature of the cylinder wall and provided with grooves complementary to the grooves of the cylinder wall. The inta-ke and exhaust chambers are provided with flanges 183,19a continuing the inner surface thereof, so that these sections are semi-spherical and may be bolted together about the cylinder. The assembled casing including the intake and exhaust chambers has a rotating fit upon the periphery of the cylinder and is held against longitudinal movement thereon not only by the end flanges 16 but likewise by the interdentation of the teeth formed by the grooves on the coacting faces of the cylinder and casing.

rod 13.

`rives at the end of its stroke.

1926. Serial No. 112,077.

Each

chamber

18 and 19 has at its ends ports 18h, 19b for coaction with ports 21 and 22 formed in the cylinder adjacent opposite ends thereof and at dia-metrically opposed points upon the cylinder. Y

Means are provided for intermittently rotating the cylinder 10. Inthe present instance, these means are shown as comprisin a gear 23 meshing with the gear 15 of the head 142 and intermittently operated through a link motion 24 from the shaft 25 employed for reciprocating the piston 11. This link motion may be of any desired type and in the present instance is disclosed as including an arm 26 mounted upon a fixed pivot V27 and connected by a link 28 with a crank 29 of a shaft 30 upon which the gear 23 is secured. The arm 26 is actuated through a crank 31 secured to the shaft 25 and having pivoted thereto a link 32 which has a pin and slot engagement with the arm 26 at It will be obvious that these connections will oscillate the crank 29 with the result that the cyiinder 10 will be alternately rotated in opposite directions. This rotation isthrough 180.

It will be lobvious that it is desirable that the piston 11 beheld against motion during the period when the cylinder is rotating, as through the major portion of this rotation, the ports 21, 22 of the cylinder are out of alignment with'the ports of the intake and exhaust chambers and reciprolcation of the piston will be very highly resisted. For this reason, I actuate the piston 11 by a cam 34 secured to the shaft 25 and operating within a yoke 35 secured to the This cam has a fiat 36 which is curved with the center of the shaft 25 as an axis and this flat aligns with thrust faces 37 of the yoke 35 when the piston ar- The link motion is synchronized with the cam, so that the rotation of the cylinder takes place while the flat 36 is sweeping across the coacting thrust face 37.

In the sectional view of Figure 2, the piston is illustrated as just arrived at one end of its stroke. It will be noted that the fiat 36 is so positioned that the piston rwill remain stationary while the shaft 25 is rotating through approximately At this time, the parts of the link motion are in the position illustrated in Figure 2, and the thrust is being initially applied to the link 28. This thrust will rotate the cylinder 1Q through 180, removing the port 21 from communication with the port lflb at one end of the exhaust chamber 19 and placing this port 2l in communication with the port 18 at the corresponding end of the suction chamber. The port 22 which has been in communication with the port 18b at the opposite end of the suction chamber is transferred for communication with the port i9 at the crank end of the exhaust chamber. lVhen this operation has been completed and the shaft 25 is rotated through 600, the link motion becomes idle and remains idle While the piston is being shifted and the shaft 25 is rotating through 1200 at which time the latSG ceac-ts With the thrust Wall 37 of the yoke at the opposite side of the yoke and the linkmotion is again brought into play to reverse the position of the port. It will be obvious that a device of this character may be very readily and cheaply produced and-Will be durable and efficient in service.

t will also be obvious that the construction hereinbefore set forth is capable of a certain range of change and modification Without materially departing from the spirit of the invention and l accordingly do not limit myself to such specific stgucture except as hereinafter claimed.

I claim l. In a pump, a cylinder, a piston mounted therein, a casing exteriorly fitting the cylinder and having circumferentially spaced intake and exhaust chambers each having at each end thereof ports aligning with opposite ends of the cylinder, each end of the cylinder having a port rotatably alignable with the ports of the corresponding end of the intake and exhaust chambers, means for reciprocating the piston including a. rotatable sliaft and means operated by the rotation of the shaft for intermittently rotating the cylinder.

2: In a pump, a cylinder, a piston mounted therein, a casing exteriorly fitting the cylinder and having circumferentially spaced intake and exhaust chambers each having at each end thereof ports aligning with opposite ends of the cylinder, each end of the cylinder having a port rotatably alignable with the ports of the corresponding end of the intake and exhaust chambers, means for reciprocating the piston whereby the piston has alternate movements in opposite directions and is maintained stationary for a predetermined interval intermediate alternate movements and means for rotating the cylinder during said intervals to reverse the alignment of the ports of the cylinder vvith the ports of saidchamber.

3. In a pump, a cylinder, a piston mounted therein, a casing exteriorly tting the cylinder and having circumferentially spaced intake and exhaust chambers each having at each end thereof ports aligning vvith opposite ends of the cylinder, each end of the cylinder having a port rotatably alignable ivith the ports of the corresponding end of the intake and exhaust chambers, means for reciprocating the piston, a connection betvveen the shaft and piston whereby the piston -has alternate movements in opposite directions and is maintained stationary for a Apredetern'iined interval intermediate alter- `nate movements, means for rotating the cylinder during said intervals to reverse the alignment of the ports of the cylinder' with the ports-of said chamberincluding a crank on said shaft, a second shaft having a crank, a gear secured to the second shaft meshing with the gear axially secured to the piston, a pivotedarm, a link connecting the crank of the second shaft With said arm and a second link connecting the crank of the first named shaft ivith said arm, the last named link having lost motion.

a. In a pump, a cylinder, a piston mounted therein, a casing exteriorly fitting the cylinder and having circumferentially spaced intake and exhaust chambers each having at each end, thereof ports aligning With opposite ends of the cylinder, each end of the cylinder having a port rotatably alignable Wit-h the ports of the corresponding end of the intake and exhaust chambers, means for reciprocating the piston including a rotatable shaft and means operated by the rotationof the shaft for intermittently rotating the cylinder, said cylinder and casing having interengaging circumferentially extending corrugations.

5. In apurnp, a cylinder, a piston mounted therein, a casing exteriorly fitting the cylindcr and having circumferentially spaced intake and exhaust chambers each having at each end thereof ports aligning With opposite ends of the cylinder, each end of the cylinder having a port rotatably alignable withthe ports of the corresponding end of the intake and exhaust chambers, means for reciprocating the piston including a rotatable shaft and means operated by the rotation of the shaft for intermittently rotating the cylinder, said cylinder and casing having intcrengaging circumferentially extending corrugations, the ends of the cylinder having outstanding flanges abutting t-he ends of the casing.

5. In a pump, a cylinder, a piston mounted therein, a casing exteriorly fitting the cylinder and having circumferentially spaced intake and exhaust chambers each having at each end thereof ports aligning With opposite ends of the cylinder, each end of the cylinder having a port rotatably alignable with the ports of the corresponding end of the intake and exhaust chambers, means for reciprocating the piston including a rotatable shaft and means operated by the rotation of the shaft for intermittently rotating lili the cylinder, the ends of the cylinder having outstanding flanges abutting the ends of the casing.

7 In a pump, a cylinder, a piston mounted therein, a casing eXteriorly iitting the cylinder and having circumferentially spaced intake and exhaust chambers, each having at each end thereof ports aligning with opposite ends of the cylinder, each end of the cylinder having a port rotatably' alignable With the ports of the corresponding end of the intake and exhaust chambers, means for reciprocating the piston including arotatable shaft, a connection between the shaft and piston whereby the piston has alternate movements in opposite directions and is maintained stationary for a predetermined interval intermediate alternate movements and means operated by the rotation of the shaft for rotating the cylinder during those periods when the piston is stationary.

In testimony whereof I hereunto afix my signature.

EARL RAINER.