US4028009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet pump
Assignee: Individual
•
Filing: 1975-09-24
•
Granted: 1977-06-07
•
Expires: 1995-09-24
Abstract
Abstract Two circular rows of through channels in the walls of the pump mixing chamber serve to admit the conveying fluid into said chamber. The axes of the channels in one row are inclined to the cross-sectional plane of the mixing chamber and to the plane passing through its longitudinal axis, thus forming a vortex stage. The axes of the channels in the other row are inclined only to the cross-sectional plane of the mixing chamber, thus forming an injecting stage. The distance between the stages is selected so as to arrange the points of intersection of the channel axes of the vortex stage and the point of intersection of the channel axes of the injecting stage in one and the same plane which is perpendicular to the longitudinal axis of the mixing chamber. This pump can be used in devices for sucking in, conveying and placing loose materials, for lifting slurry in rotary drilling of wells with the well face cleaned by the indirect flushing method and in the devices for the preparation of clayey suspension.
Inventors
- 👤 Nikolai Vasilievich Gudzenko
- 👤 Mikhail Efimovich Zaichenko
- 👤 Konstantin Leonidovich Larin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:23
CPC Classifications
E; E21; E21B; E21B21/00; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E21B43/00; E21B43/02; E21B43/04; F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/466
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
287 words
A jet pump having inlet and outlet ends comprising: a walled mixing chamber; through channels made in the walls of said mixing chamber for delivering a conveying fluid into said mixing chamber, said through channels being inclined along the movement of the transferred fluid, said through channels being arranged in said walls of said mixing chamber in at least two circular rows arranged one following the other in the direction of the transferred fluid, the axis of each of said channels in one of said rows being inclined to the cross-sectional plane of said mixing chamber in the direction of flow of the transferred fluid at one and the same angle and being additionally inclined at one and the same angle to the plane passing through the longitudinal axis of said mixing chamber and through the point where the axis of the corresponding of said channels intersects the outer surface of said mixing chamber, thus forming a vortex stage, whereas the axis of each of said channels in the other of said rows is inclined at the same angle with repect to the cross-sectional plane of said mixing chamber, thus forming an injecting stage, said row of channels of the vortex stage preceding said row of channels of the injecting stage along the flow of the transferred fluid, while the distance between said rows of through channels is selected in such a way that the points of intersection of said axes of the channels in said vortex stage with the inner surface of said mixing chamber and said point of intersection of said axes of channels in said injecting stage is arranged in one and the same plane perpendicular to the longitudinal axis of said mixing chamber.
Claim 2
Dependent Claim
287 words
A jet pump having inlet and outlet ends comprising: a walled mixing chamber; through channels made in the walls of said mixing chamber for delivering a conveying fluid into said mixing chamber, said through channels being inclined along the movement of the transferred fluid, said through channels being arranged in said walls of said mixing chamber in at least two circular rows arranged one following the other in the direction of the transferred fluid, the axis of each of said channels in one of said rows being inclined to the cross-sectional plane of said mixing chamber in the direction of flow of the transferred fluid at one and the same angle and being additionally inclined at one and the same angle to the plane passing through the longitudinal axis of said mixing chamber and through the point where the axis of the corresponding of said channels intersects the outer surface of said mixing chamber, thus forming a vortex stage, whereas the axis of each of said channels in the other of said rows is inclined at the same angle with repect to the cross-sectional plane of said mixing chamber, thus forming an injecting stage, said row of channels of the vortex stage preceding said row of channels of the injecting stage along the flow of the transferred fluid, while the distance between said rows of through channels is selected in such a way that the points of intersection of said axes of the channels in said vortex stage with the inner surface of said mixing chamber and said point of intersection of said axes of channels in said injecting stage is arranged in one and the same plane perpendicular to the longitudinal axis of said mixing chamber.
Claim 3
Dependent Claim
89 words
A jet pump according to claim 1 wherein said angles formed by said axis of each channel in said vortex stage with the cross-sectional plane of said mixing chamber are the same and vary from 60° to 70° while said angles formed by the same axis of each channel with the plane passing through said longitudinal axis of said mixing chamber and through said point where said axis of the corresponding channel intersects the outer surface of said mixing chamber are the same and vary from 29° to 31°.
Claim 4
Dependent Claim
38 words
A jet pump according to claim 2 wherein said angles formed by said axis of each channel in said injecting stage with the cross-sectional plane of said mixing chamber are the same and vary from 60° to 70°.
Claim 5
Dependent Claim
25 words
A jet pump according to claim 2 wherein the number of channels in each row of said vortex and injecting stages is divisible by three.
Claim 6
Dependent Claim
33 words
A jet pump according to claim 2 wherein the thickness of walls of said mixing chamber in the zone of said channels is equal to at least twice the diameter of one channel.
Claim 7
Dependent Claim
38 words
A jet pump according to claim 1 wherein said angles formed by said axis of each channel in said injecting stage with the cross-sectional plane of said mixing chamber are the same and vary from 60° to 70°.
Claim 8
Dependent Claim
25 words
A jet pump according to claim 6 wherein the number of channels in each row of said vortex and injecting stages is divisible by three.
Claim 9
Dependent Claim
33 words
A jet pump according to claim 6 wherein the thickness of walls of said mixing chamber in the zone of said channels is equal to at least twice the diameter of one channel.
Claim 10
Dependent Claim
25 words
A jet pump according to claim 1 wherein the number of channels in each row of said vortex and injecting stages is divisible by three.
Claim 11
Dependent Claim
33 words
A jet pump according to claim 9 wherein the thickness of walls of said mixing chamber in the zone of said channels is equal to at least twice the diameter of one channel.
Claim 12
Dependent Claim
33 words
A jet pump according to claim 1 wherein the thickness of walls of said mixing chamber in the zone of said channels is equal to at least twice the diameter of one channel.
Claim 13
Dependent Claim
24 words
A jet pump according to claim 1 wherein said circular rows of channels are displaced nearer to the inlet end of said mixing chamber.
Claim 14
Dependent Claim
97 words
A jet pump according to claim 1 wherein the transferred fluid includes loose material for being sucked into, and conveyed by said pump, and further comprising a suction nozzle combined with the inlet end of the first jet pump, a second jet pump substantially similar to said first jet pump and located along the movement of the transferred material following said first jet pump, the outlet end of said first jet pump being combined with the inlet end of said second jet pump, and a telescopic pipe connected to the outlet end of said second jet pump.
Claim 15
Dependent Claim
125 words
A jet pump according to claim 1 for pumping out slurry during rotary drilling from a well having a well-face and a slurry drain pipe through well-face cleaning by indirect flushing through the slurry drain pipe, further comprising a drilling bit securable to a string of drilling pipes, a driving pipe including a rotor for transmitting rotation from the rotor to the string of drilling pipes, the inlet and outlet ends of said pump being rigidly connected with the string of drilling pipes and with said driving pipe, respectively, and a swivel secured to said driving pipe and accommodating a hydraulic impact damping chamber and an appliance for dividing the flow of aerated slurry, said chamber communicating with the slurry drain pipe and the atmosphere.
Claim 16
Independent Claim
339 words
A device for the preparation of clayey suspension comprising: a scouring chamber with holes for the fluid in the walls and bottom; a reservoir for clayey suspension communicating with the scouring chamber; a loading hopper combined with said scouring chamber and located in the upper part of said reservoir; a jet pump intended to deliver fluid into said reservoir, the mixing chamber walls of said pump being provided with through channels which are intended to conduct the conveying fluid into said mixing chamber and are inclined in the direction of movement of the transferred material; said through channels of said jet pump are arranged in the walls of said mixing chamber in at least two circular rows located one after the other, the axis of each channel in the row which is first along the movement of the transferred material being inclined at the same angle towards the cross-sectional plane of said mixing chamber in the direction of movement of the transferred material and being additionally inclined at the same angle to the plane passing through the longitudinal axis of said mixing chamber and through the point where the axis of said corresponding channel intersects the outer surface of said mixing chamber, thus forming a vortex stage whereas the axis of each channel in the other row is inclined at the same angle to the cross-sectional plane of said mixing chamber, thus forming an injecting stage; the distance between said rows of through channels is selected in such a manner that said points of intersection of said channel axes in said vortex stage with the inner surface of said mixing chamber and said point of intersection of said channel axes of said injecting stage would be arranged in one and the same plane which is perpendicular to the longitudinal axis of said mixing chamber, said jet pump being rigidly secured in said reservoir and arranged in such a manner that the stream of fluid is directed from the elongated outlet end of the jet pump into said scouring chamber.
Claim 17
Independent Claim
339 words
A device for the preparation of clayey suspension comprising: a scouring chamber with holes for the fluid in the walls and bottom; a reservoir for clayey suspension communicating with the scouring chamber; a loading hopper combined with said scouring chamber and located in the upper part of said reservoir; a jet pump intended to deliver fluid into said reservoir, the mixing chamber walls of said pump being provided with through channels which are intended to conduct the conveying fluid into said mixing chamber and are inclined in the direction of movement of the transferred material; said through channels of said jet pump are arranged in the walls of said mixing chamber in at least two circular rows located one after the other, the axis of each channel in the row which is first along the movement of the transferred material being inclined at the same angle towards the cross-sectional plane of said mixing chamber in the direction of movement of the transferred material and being additionally inclined at the same angle to the plane passing through the longitudinal axis of said mixing chamber and through the point where the axis of said corresponding channel intersects the outer surface of said mixing chamber, thus forming a vortex stage whereas the axis of each channel in the other row is inclined at the same angle to the cross-sectional plane of said mixing chamber, thus forming an injecting stage; the distance between said rows of through channels is selected in such a manner that said points of intersection of said channel axes in said vortex stage with the inner surface of said mixing chamber and said point of intersection of said channel axes of said injecting stage would be arranged in one and the same plane which is perpendicular to the longitudinal axis of said mixing chamber, said jet pump being rigidly secured in said reservoir and arranged in such a manner that the stream of fluid is directed from the elongated outlet end of the jet pump into said scouring chamber.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-06 | 1980-12-06 | 1981-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-06 | 1984-12-06 | 1985-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-06 | 1988-12-06 | 1989-06-07 | $7700.00 | Window Closed / Lapsed |