EP1281593B1 - Dispositif de sablage pour locomotive - Google Patents
Dispositif de sablage pour locomotive Download PDFInfo
- Publication number
- EP1281593B1 EP1281593B1 EP02012199A EP02012199A EP1281593B1 EP 1281593 B1 EP1281593 B1 EP 1281593B1 EP 02012199 A EP02012199 A EP 02012199A EP 02012199 A EP02012199 A EP 02012199A EP 1281593 B1 EP1281593 B1 EP 1281593B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- particulate
- nozzle
- guide
- set forth
- plumbing
- 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
Links
- 230000003137 locomotive effect Effects 0.000 title description 13
- 239000004576 sand Substances 0.000 claims description 34
- 238000009428 plumbing Methods 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/08—Preventing wheel slippage
- B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
Definitions
- This invention relates to a particulate delivery plumbing for a locomotive, and more particularly to a particulate delivery plumbing including a particulate guide.
- Locomotive on-board particulate delivery systems have been used to deposit sand or another particulate onto the leading edge of a rail in front of the locomotive engine drive wheels to provide improved traction under a variety of circumstances.
- these systems have included a sand reservoir such as a storage bin filled with sand and constructed or arranged to either manually or automatically charge sand into a conduit, such as a flexible hose, that is connected to the sand bin at one end.
- a nozzle is usually attached to a second end of the hose.
- the nozzle is generally tubular shaped, having a through hole formed therethrough with one end of the nozzle receiving the hose and the other end having a round discharge opening for depositing sand onto a railroad track at a location immediately in front of the engine drive wheels.
- the nozzle was attached to the hose in a manner that made it difficult to adjust the positioning of the nozzle discharge opening to take in to account varying environmental and operating conditions. As a result, a substantial amount of sand would be discharged through the nozzle. Often, the discharged sand would have a wide path, with a substantial amount of the sand missing the rail. Further, the sand would be discharged at a relatively high velocity, resulting in the sand ricocheting off the rail. As a result, the storage bins were often quite large, taking up a substantial amount of room, and were very heavy.
- Another problem associated with these prior art particulate delivery systems is that moisture could easily enter the discharge opening of the nozzle. As a result, sand would stick to the wet surfaces of the hose and the nozzle, causing blockages. Further, if moisture entered the discharge opening of the nozzle, it would often freeze and block the particulate delivery system. Another problem associated with these prior particulate delivery systems is that wind could blow the sand exiting the nozzle discharge opening, causing the sand to totally miss the rail.
- a particulate delivery plumbing in accordance with the preamble of claim 1 is known from CH-A-364284.
- the present invention includes a particulate delivery system that deposits a particulate, such as sand, onto a locomotive rail in a more precise and accurate manner and using substantially less particulate.
- the particulate delivery system prevents or dramatically reduces the impact of wind on the discharged sand, resulting in a higher percentage of the sand being accurately deposited on the rail.
- the system also drastically reduces the frequency of blockages due to moisture or freezing.
- One embodiment of the invention includes particulate delivery plumbing having a body portion and a through hole formed therethrough.
- a particulate charge inlet opening is provided at one end of the body portion and an outlet opening at a second end.
- a pair of spaced-apart protective guide members extend from the body portion at the second end of the plumbing and straddle the particulate outlet opening.
- Each of the protective guide members may have a wall with a first end attached to the body portion and a second free end.
- Each wall has an inner face extending from the body portion to the free end to define a slot between the inner faces of the protective guide members.
- the inner faces may include first portions that are parallel to each other and second portions that are tapered toward each other.
- the particulate delivery plumbing may include a hose and a nozzle.
- the nozzle is connected to one end of the hose and the particulate guide is connected to the nozzle.
- the hose, nozzle and particulate guide may be separate pieces that are connected together, or may be a single
- the particulate delivery plumbing may include a nozzle having a body portion and a through hole formed therethrough to provide a particulate charging inlet opening at a first end and a particulate outlet opening at a second end.
- the body portion of the nozzle may include an outer surface having a first locking feature.
- the first locking feature may be a slot formed in the outer surface of the nozzle body portion.
- a particulate guide is provided having a body portion with a through hole formed therethrough to provide a particulate charging inlet opening at a first end and a particulate outlet opening at a second end, and a pair of spaced-apart protective guide members extending from the body portion at the second end and straddling the particulate outlet opening of the guide member.
- the particulate guide includes an inner wall defining the through hole formed in the body portion of the particulate guide.
- the particulate guide inner wall may include a second locking feature matable with the first locking feature on the nozzle to releasably lock the particulate guide and the nozzle together.
- the second locking feature may be a rib formed on the inner wall and extending inwardly into the through hole cavity.
- the particulate guide is constructed and arranged to receive a portion of the nozzle so that the rib extending from the inner wall is received in the slot formed in the outer surface of the body portion of the nozzle to connect the nozzle and the particulate guide together.
- the nozzle may include a plurality of slots formed in the outer surface constructed and arranged so that the particulate guide may be adjustably connected to the nozzle so that the rib may be received in any one of the slots as desired to adjust the position of the guide.
- the protective guide members of the particulate guide include a wall having a first end attached to the body portion of the particulate guide and a second free end.
- the wall includes an inner face extending from the body portion of the particulate guide to the free end so that a slot is provided between the inner faces of the protective guide members.
- each of the inner faces of the wall includes a first portion and a second portion. The first portions of the inner faces are parallel to each other, and the second portions of the inner faces are tapered toward each other.
- Figure 1 is an exploded view of a particulate delivery system according to the present invention including a hose, a nozzle and particulate guide;
- Figure 2 is an enlarged, sectional, side view of a nozzle and particulate guide in a coupled position according to the present invention
- Figure 3 is an enlarged, sectional, top view of a nozzle and particulate guide in a coupled position according to the present invention
- Figure 4 is an enlarged, sectional, end view of the particulate guide according to the present invention.
- Figure 5 is an illustration of a locomotive having a particulate delivery system according to the present invention.
- Figure 1 illustrates a particulate delivery system 8 according to the present invention including a hose 80, a nozzle 10, and a particulate guide 12.
- the hose 80 has a through hole 82 formed therethrough from a first end 84 to a second end 86.
- the first end 84 of the hose 80 may be connected to a particulate reservoir such as a sand bin to be described in greater detail hereafter.
- the second end 86 of the hose 80 may be connected to the nozzle 10.
- the nozzle 10 includes a first end face 14 and a second end face 16.
- a hose coupling section 18 is provided adjacent the first end face and a spout section 20 is provided adjacent the second end face 16.
- a transition section 22 is positioned between the hose coupling section 18 and the spout section 20.
- a through hole 24 is formed through the nozzle 10 from the first end face 14 to the second end face 16. Accordingly, the first end face 14 has a particulate charging inlet opening formed therein by the through hole 24, and the second end face 16 has a particulate outlet opening formed by the through hole 24.
- the through hole 24 is defined by an inner wall 26 in the coupling section 18 and preferably is constructed and arranged so that the second end 86 of the hose 80 may be received in the hose coupling section 18.
- the transition second 22 includes an inner tapered wall 28 that defines a portion of the through hole 24.
- the spout section 20 includes an inner wall 30 defining a section of the through hole 24.
- the spout 20 includes an outer surface 32.
- a plurality of first locking members is formed on the outer surface 32 of the spout and preferably include a plurality of slots 34 formed in the outer surface 32 of the spout 20.
- the outer surface 32 of the spout is generally cylindrical but preferably includes a first flat face 36 and a second flat face 37 which serve as alignment features in coupling the nozzle 10 to the particulate guide 12.
- the spout section 20 also includes an upper curved surface 70 and a lower curved surface 71 that each bridge between the flat surfaces 36, 37.
- the particulate guide 12 includes a body portion 38 having a first end face 40 and a second end face 42 and a through hole 44 extending from the first end face 40 to the second end face 42.
- the through hole 44 is defined by an inner wall 46 of the particulate guide 12.
- the inner wall 46 shown in Figure 1 includes a first flat face 48 and a second flat face 49.
- An upper curved surface 50 and a lower curved surface 51 are provided bridging the first and second flat faces 48, 49 of the inner wall of the particulate guide.
- a second locking member matable with the first locking member is provided on the inner wall 46 of the particulate guide.
- the second locking feature is a rib 52 which extends from either or both of the curved surfaces 50, 51 and is constructed and arranged to be received in one of the slots 34 formed in the outer surface of the spout of the nozzle ( Figure 2).
- first and second protective guide members 54, 55 are provided, each having a first end 56, 57 attached to the body portion 38 of the particulate guide 12 and each include a second free end 58, 59.
- the protective guide members 54, 55 include an outer flat face 60, 61 and an inner face 62, 63.
- a slot 64 is defined between the inner faces 62, 63 of the particulate guide members 54, 55.
- Each of the inner faces 62, 63 includes a first portion 74, 75 and a second portion 76, 77.
- the first portions 74, 75 of each particulate guide member are parallel to each other, and the second portions 76, 77 are tapered toward each other.
- the spaced-apart protective guide members 54, 55 of the particulate guide and the slot 64 defined therebetween serve to focus and concentrate the sand as it is being discharged from the through hole 44 in the particulate guide so that a greater percentage of the particulate (sand) being discharged from the particulate delivery system lands and stays on the locomotive rail. Further, the outwardly extending protective guide members 54, 55 prevent wind from blowing the sand away before it has an opportunity to land on the rail. The outwardly extending protective guide members 54, 55 also make it less likely for moisture to be splashed into the through hole of the particulate guide, nozzle or hose.
- the second portion 76, 77 of the inner face 62, 63 of the protective guide members focus the sand and prevent the sand discharge profile from widening and missing the rail.
- the spaced-apart protective guide member 54, 55 also reduces the force and velocity of the sand to greatly reduce the likelihood of the sand ricocheting off the rail.
- the hose, nozzle and particulate guide are made from a resilient yet flexible material such as nitrile rubber.
- the particulate guide, nozzle and hose may be separate, individual pieces coupled together, or they may be a single piece of continuous integral material or combinations thereof.
- FIG. 5 illustrates a system according to the present invention including a sand bin or tank 100 including sand therein.
- a valve 102 may be provided at the bottom of the sand bin 100 at the discharge opening.
- the hose 80 is connected to the valve 102 at one end and to the nozzle 10 at the other end.
- a particulate guide 12 is connected to the nozzle 10 and positioned to deposit sand onto a rail 104 immediately in front of the drive wheel 106 of the locomotive.
- a computer processing unit 108 may be provided and connected to the valve 102 to automatically control the discharge of sand from the sand bin 100 based upon signals received from sensors on the locomotive under a variety of different operating conditions. The movement of the drive wheel and the locomotive in the forward direction is generally shown by the arrow labeled "Direction of Travel".
- the present invention greatly reduces the amount of sand used for traction in locomotives compared to prior particulate delivery systems and therefore reduces the size of the sand bin required to be carried by the locomotive.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Catching Or Destruction (AREA)
Claims (15)
- Dispositif de plomberie pour la décharge de particules permettant de déposer une matière particulaire, telle que du sable, sur un rail, comprenant un guide de particules (12) présentant une partie de corps (38) et un trou traversant (44) formé à travers celui-ci afin de fournir une ouverture d'entrée de chargement des particules au niveau d'une première extrémité du dispositif de plomberie et une ouverture de sortie des particules au niveau d'une seconde extrémité du dispositif de plomberie, une paire d'éléments guides de protection espacés (54, 55) qui s'étendent à partir de la partie de corps (38) au niveau de la seconde extrémité du dispositif de plomberie et enjambant l'ouverture de sortie des particules,
caractérisé en ce que le guide de particules (12) est une pièce continue, d'un seul tenant, de matière. - Dispositif de plomberie pour la décharge de particules selon la revendication 1, dans lequel chacun des éléments guides de protection (54, 55) comporte une paroi ayant une première extrémité fixée sur la partie de corps (38) et une seconde extrémité libre, et une face interne qui s'étend entre la partie de corps (38) et la seconde extrémité libre afin de définir une fente (64) entre les faces internes des éléments guides de protection (54, 55).
- Dispositif de plomberie pour la décharge de particules selon la revendication 2, dans lequel chacune des faces internes comporte une première partie et une seconde partie, et dans lequel les premières parties (74, 75) des faces internes sont parallèles les unes aux autres et les secondes parties (76, 77) sont effilées, en direction les unes des autres.
- Dispositif de plomberie pour la décharge de particules selon la revendication 1, comportant un tuyau (80).
- Dispositif de plomberie pour la décharge de particules selon la revendication 1, comportant une buse (10).
- Dispositif de plomberie pour la décharge de particules selon la revendication 5, dans lequel le guide de particules (12) est raccordé à la buse (10).
- Dispositif de plomberie pour la décharge de particules selon la revendication 6, dans lequel le guide de particules (12) est raccordé, de manière réglable, à la buse (10).
- Dispositif de plomberie pour la décharge de particules selon la revendication 1, dans lequel le guide de particules (12) est raccordé, de manière réglable, à un tuyau (80).
- Dispositif de plomberie pour la décharge de particules selon la revendication 8, dans lequel le guide de particules (12) est raccordé, de manière réglable, au tuyau (80).
- Dispositif de plomberie pour la décharge de particules selon la revendication 6, dans lequel la buse (10) est raccordée à un tuyau (80).
- Dispositif de plomberie pour la décharge de particules selon la revendication 10, dans lequel le guide de particules (12) et la buse (10) sont une seule pièce continue, d'un seul tenant, de matière.
- Dispositif de plomberie pour la décharge de particules selon la revendication 1, dans lequel une nervure (52) est formée sur une paroi interne définissant le trou traversant (44) à travers la partie de corps (38) du guide de particules (12).
- Dispositif de plomberie pour la décharge de particules selon la revendication 12, dans lequel la buse (10) comprend au moins une fente (34) formée dans une surface externe (32) de la buse (10) et construite et agencée de telle sorte que la nervure (52) du guide de particules (12) peut être reçue dans la fente (34).
- Dispositif de plomberie pour la décharge de particules selon les revendications 7 et 13, comprenant en outre une pluralité de fentes (34) formées dans la surface externe de la buse (10) et construites et agencées de telle sorte que le guide de particules (12) peut être raccordé, de manière réglable, à la buse (10), dans lequel la nervure (52) peut être reçue dans l'une des fentes (34).
- Dispositif de plomberie pour la décharge de particules selon la revendication 3, dans lequel la seconde partie est proche de la seconde extrémité libre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US911632 | 2001-07-25 | ||
US09/911,632 US20030020282A1 (en) | 2001-07-25 | 2001-07-25 | Particulate guide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1281593A1 EP1281593A1 (fr) | 2003-02-05 |
EP1281593B1 true EP1281593B1 (fr) | 2005-01-12 |
Family
ID=25430591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02012199A Expired - Lifetime EP1281593B1 (fr) | 2001-07-25 | 2002-06-03 | Dispositif de sablage pour locomotive |
Country Status (3)
Country | Link |
---|---|
US (1) | US20030020282A1 (fr) |
EP (1) | EP1281593B1 (fr) |
DE (1) | DE60202562T2 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7594682B2 (en) * | 2002-06-26 | 2009-09-29 | General Electric Company | Apparatus and method for controlled application of railway friction modifying agent |
FR2873060B1 (fr) * | 2004-07-15 | 2006-09-22 | Ervor Soc En Commandite Par Ac | Equipement de sablage a chassis-reservoir |
WO2007140260A2 (fr) * | 2006-05-24 | 2007-12-06 | Compellent Technologies | Système et procédé de gestion, réaffectation et resegmentation de raid |
GB0613583D0 (en) * | 2006-07-05 | 2006-08-16 | Sericol Ltd | A printing ink |
US8371625B2 (en) * | 2010-10-15 | 2013-02-12 | Isaiah Crawford, SR. | Revolution daddy rock super track |
US8738202B2 (en) * | 2010-11-18 | 2014-05-27 | Ztr Control Systems | Method and apparatus for controlling sanding on locomotives |
CN104787059A (zh) * | 2014-11-28 | 2015-07-22 | 南车青岛四方机车车辆股份有限公司 | 车头安装撒砂装置及有轨电车 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2352252A (en) * | 1941-10-31 | 1944-06-27 | Westinghouse Air Brake Co | Sanding control means |
CH364284A (fr) * | 1959-06-23 | 1962-09-15 | Gresham & Graven Limited | Appareil pour améliorer l'adhérence d'une roue de véhicule de chemin de fer au rail sur lequel elle roule |
JPS5738958A (en) * | 1980-07-02 | 1982-03-03 | Fuirisu Gurahamu | Spray chip |
DE29711805U1 (de) * | 1997-07-05 | 1997-09-18 | Stadtwerke Braunschweig GmbH, 38106 Braunschweig | Sandstreueinrichtung für Schienenfahrzeuge |
DE29713381U1 (de) * | 1997-07-28 | 1998-11-26 | Duewag Ag, 47829 Krefeld | Sandstreueinrichtung, insbesondere für Schienenfahrzeuge |
-
2001
- 2001-07-25 US US09/911,632 patent/US20030020282A1/en not_active Abandoned
-
2002
- 2002-06-03 DE DE60202562T patent/DE60202562T2/de not_active Expired - Lifetime
- 2002-06-03 EP EP02012199A patent/EP1281593B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60202562T2 (de) | 2006-06-01 |
DE60202562D1 (de) | 2005-02-17 |
EP1281593A1 (fr) | 2003-02-05 |
US20030020282A1 (en) | 2003-01-30 |
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