CN101652583A - Dual gear pump transmission - Google Patents
Dual gear pump transmission Download PDFInfo
- Publication number
- CN101652583A CN101652583A CN200780051192.7A CN200780051192A CN101652583A CN 101652583 A CN101652583 A CN 101652583A CN 200780051192 A CN200780051192 A CN 200780051192A CN 101652583 A CN101652583 A CN 101652583A
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- CN
- China
- Prior art keywords
- gear
- pto
- driving mechanism
- clutch
- impeller
- 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.)
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Abstract
A kind of fire water pump driving mechanism (20) of using with the emergency car pump of being used for comprises the PTO gear (32) on the live axle (34) that is attached to described driving mechanism (20) and is attached to described live axle (34) and goes up the impeller clutch actuation gear (30) contiguous with described PTO gear (32).Described clutch actuation gear (30) can be connected with wheel rotor axle (40) with multiplate clutch (38).Described driving mechanism (20) allows to change the gearing of described PTO under the situation of velocity ratio that does not influence described impeller drive or speed, and vice versa.Bidentate on described live axle wheel provides the compatibility with commercially available PTO device, and described PTO device is installed on the housing of described driving mechanism power is provided for multiple device.
Description
The cross reference of related application
The application requires to submit on December 14th, 2006, application number is the preference of 60/870,086 temporary patent application, and its full content is attached to here by reference.
Technical field
The present invention relates generally to the driving mechanism that power can be provided to multiple arrangement from single live axle, and relate more specifically to pump and can give the impeller shaft of fluid pump and at least another device the pump drive mechanism of power is provided, and relate in particular to the driving mechanism of emergency car pump and this class pump.
Background technique
Can give main device and at least another device provide the driving mechanism of power just not have recently.The driving mechanism in some driving mechanisms, especially automobile or truck field, comprise be used for to main device for example axletree the driver of power is provided, and also can comprise the power output that is commonly called PTO.The PTO device is designed to provide power to auxiliary device, obtains power from the host drive of described driving mechanism.In some instances, auxiliary device self can obtain power (or being directly connected to main drive gear) from main drive gear, rather than is connected with middle PTO device.The PTO device typically is connected to described main drive gear and and then provides power to auxiliary device.Typically, driving mechanism comprises internal gear, just " PTO gear ", and in order to drive described auxiliary device or described PTO device, described auxiliary device or described PTO device are connected on described " PTO " gear.
Also designed pump drive mechanism, comprised the pump drive mechanism of fire-fighting class, to give for example pump and another for example installs suction booster or compressor provides power at least of main device.Such system comprises stretches out described impeller shaft from a side opposite with the gear-box of pump drive mechanism.One end of described impeller shaft is meshed with described pump impeller, and the other end can be used to provide power to another device simultaneously.In other systems, can comprise that in gear-box inside extra gear is to provide power output.In the U.S. Pat 4,587,862 of authorizing in 13 days Mays in 1986 of Huffman (Hoffman), can find the example of this extra gear.In the patent of Huffman, input link 30 provides power alternately for output link 32 or pump shaft 18 by sliding gear 70.Can find another example of the system of the gear that provides extra in the U.S. Pat 5,145,014 of Ai Beihade (Eberhardt), wherein said driving mechanism provides power for the pump shaft 18 and the air compressor 13 that rotate.
In another fire water pump geartrain systems, on the gear-box of main drive gear or housing, opening is set to admit custom-designed auxiliary drive gear or device.Custom-designed PTO device is used for described main drive gear is connected to described auxiliary device.Auxiliary system can be equipped with the clutch gear of slip with engagement or disengaging driven device.For example, auxiliary device for example typically can be installed on the described housing of fire water pump driving mechanism or closely be connected on the described housing of fire water pump driving mechanism by suction booster or compressor.An example of this system is the (W.S.Darley﹠amp of W. S. Darley ﹠ Co. (US) of state of Wisconsin Qi Peiwa waterfall (Chippewa Falls); Company) the model LDMH pump of Zhi Zaoing.
Summary of the invention
Although existing pump drive mechanism provides power and also allows for main device and provides power to an auxiliary device or some auxiliary devices, but they are on their multifunctionality or be limited on the type for the auxiliary device that can be provided power, perhaps need to make a special effort described driving mechanism is configured to be fit to the use of PTO device and the use of especially commercially available PTO device.
In some instances, wish to change the gearing of the impeller shaft that is used to drive fire water pump.Changing described impeller shaft gearing typically influences and the relevant velocity ratio of described PTO gear.Described PTO gearing does not change if described impeller shaft gearing is changed, and the speed of described PTO gearing or velocity ratio will change.The speed of described PTO or the change of velocity ratio may not be desired.Like this, be used for providing power in order to keep acceptable speed or velocity ratio to the auxiliary device that is connected to described PTO device, change described impeller shaft gearing and need change usually and the relevant gearing of described PTO device, perhaps need at least to make great efforts to regulate the gearing of described PTO device.Be used for changing described speed or velocity ratio rather than change some effort of whole gearing, comprise spacer or other method used, these be trouble or cause shoddy design.In some instances, the velocity ratio that changes may be acceptable when using with specific auxiliary device, but in other example, the change of the velocity ratio that causes for the change that adapts to owing to the impeller gearing, different fixtures must be used, perhaps described PTO gearing must be changed or thoroughly change.
In addition, in some instances, may wish to change auxiliary device or be used to drive the described PTO gearing of described auxiliary device.This change and then may need the modification of described impeller shaft gearing or thoroughly change to make and to keep acceptable speed or the velocity ratio that is used to drive described pump.
In arbitrary situation, replace or the described gearing that changes described impeller shaft need replace or change the described gearing of described PTO usually, and vice versa.This in addition also be not considered to be problem, but be regarded as the true or necessary aspect that can't change of this driving mechanism on the contrary.
Yet, the present inventor has realized that, can replace or change described PTO gearing need not replace simultaneously or change described impeller gearing and vice versa, many benefits will be provided, the rotational velocity of the described driving mechanism parts of change and the flexibility of velocity ratio for example are provided, comprise the velocity ratio that changes described PTO gearing and need not change the ability of the velocity ratio (and vice versa) of described impeller gearing, the ability of selecting multiple PTO device and auxiliary device for use and need not changing or replace described impeller shaft gear (and vice versa), the ability of power is provided for the device that is not used in combination usually or more easily is applicable to the ability of this device with pump drive mechanism, and other benefit, so that commercially available PTO device (hereinafter defining) can be used in combination with this driving mechanism.For example, the use of commercially available PTO device and then allow the use of more kinds of auxiliary devices and allow to adopt drive line to be connected, and other benefit with this device is long-range.
According to the present invention, on the described input shaft that two gears is placed described pump drive mechanism, the described PTO device of one of them gear drive and another gear operation are to drive described impeller shaft independently, solved problem, the change of having eliminated owing to the gearing of the impeller shaft that drives fire water pump needs change or the gearing of replacement PTO device and the requirement that vice versa.This configuration allows described PTO gearing to be designed to be independent of more described impeller gearing, thereby can obtain different speed or velocity ratio (just, the change of the gear ratio of described pump will not influence the change of the gear ratio of described PTO, and vice versa).Further, this configuration allows to drive the multiple device with different gears tooth pitches or other angle or further feature, and this multiple device is will be with described impeller gearing incompatible or need to change or change provides the mechanism of power to described impeller shaft in alternate manner.Further, this layout allows and various auxiliary devices compatible (comprising and commercially available PTO device compatibility) more.
In specific implementations of the present invention, the impeller clutch actuation gear is attached on the described live axle and the PTO gear is attached on the described live axle, and is contiguous with described impeller clutch actuation gear.Aspect preferred, multiplate clutch is installed on the described impeller shaft, and wherein said clutch obtains power from described input shaft.In specific mode of execution, described impeller clutch actuation gear and clutch are preferably multiplate clutch and are connected.Also be in specific implementations, described PTO gear is a spur wheel.Advantageously, entering (access) opening is set to contiguous described PTO gear and described clutch actuation gear and is configured to admit commercially available PTO.
Further optional aspect comprises and the PTO device is installed on the described driving mechanism and described PTO device is connected with drive line power is provided for long-range auxiliary device.
Foregoing of the present invention is not intended to describe mode of execution or each realization or the aspect shown in each of the present invention.Following accompanying drawing and detailed description illustrate these mode of executions in more detail.
Description of drawings
Fig. 1 is the perspective view that embodies the fire water pump driving mechanism of principle of the present invention;
Fig. 2 is another perspective view of the driving mechanism of Fig. 1, wherein for the clear some parts of having got rid of;
Fig. 3 is another perspective view of the driving mechanism of Fig. 1, wherein for the clear some parts of having got rid of;
Fig. 4 is the sectional view along the line 4-4 intercepting of Fig. 1;
Fig. 5 is the perspective view of the driving mechanism of Fig. 1, wherein is equipped with pump and has got rid of plate;
Fig. 6 is the partial perspective exploded view that embodies the pump drive mechanism of principle of the present invention;
Fig. 7 is the perspective exploded view of the driving mechanism of Fig. 1;
Fig. 8 is the bottom perspective view of PTO device well known in the prior art;
Fig. 9 embodies the pump of principle of the present invention and the perspective view of driving mechanism and PTO device;
Figure 10 embodies the pump of principle of the present invention and has the perspective view of the driving mechanism of PTO device, and wherein in order to show a part of having got rid of housing;
Figure 11 has described pump well known in the prior art a type and pump drive mechanism.
Although the present invention can be modified to various distortion and optional form, shown its concrete structure in the accompanying drawings as an example and will describe its concrete structure in detail.However, it should be understood that its purpose is not that the present invention is limited to described specific implementations or aspect.On the contrary, its objective is that covering falls in the spirit and scope of the present invention and all modifications, equivalent way and change as appended claims limit.
Embodiment
Pump well known in the prior art and pump drive mechanism be in the part of background technique above, mentioned those and at the device shown in Figure 11.The device of Figure 11 shows the lateral side view of pump/pump drive mechanism 200.Input shaft (it is the axle in the opposite side setting of output shaft 210) enters the housing of described driving mechanism 220 in the front portion of described driving mechanism 220.Auxiliary drive gear 230 is installed to the side of described driving mechanism 220.Described auxiliary drive gear 230 provides power for the less pump of being supplied with by flexible pipe 250 240.In this existing system, pump 240 obtains than the higher pressure of the otherwise obtainable pressure of described pump 200 as the pressurized machine that is used for described pump/pump drive mechanism 200.
The clutch gear (not shown) that described auxiliary drive gear 230 is equipped with slip is with engagement or break away from described PTO driven device 240.Shown in situation in, described driven device (auxiliary) is less pump 240.Described PTO driven device 240 can be a compressor alternatively.Described driving mechanism 230 is two gear drives that are installed to the side of main drive gear 220 and export the PTO device as power.
In the housing 260 of pump/pump drive mechanism 200, " PTO driving mechanism gear " (not shown) of driving mechanism 230 be installed in input shaft 210 on " actuation gear " be connected.Described actuation gear provides power to PTO device 230 and idler gear, described idler gear and then provide power to provide power with the described impeller shaft to pump and driving mechanism 200 for the 3rd gear in described housing 260.When described actuation gear rotated, described PTO device 230 and described main lobe wheel shaft in described housing 260 all were provided power.The use PTO that other known type also arranged provides the fire water pump driving mechanism of power to auxiliary device, and wherein said PTO is provided power with described impeller shaft.
When the described pump/pump drive of design mechanism 200, in order to ensure can use auxiliary device typically with many special changes of needs or adjustment.For example, the velocity ratio of described PTO driving mechanism gear and described actuation gear is not total compatible, thereby needs to use the spacer (spacer) that is placed between described PTO driving mechanism gear and the actuation gear.The tooth pitch of described PTO driving mechanism gear also must be complementary with the tooth pitch of described actuation gear, and it can be the helical teeth type.Further, the bolt pattern (pattern) of mouth size on the described housing and described PTO device must coupling.Further, must consider the quantity of gear separately, and may need extra or different gears with governing speed correctly in order to ensure proper speed.Further, described PTO device must turn round simultaneously with described actuation gear, unless comprise independent clutch in described PTO device.Therefore will be changed and need at described PTO gear may need the corresponding change of described actuation gear or other element of driving mechanism 200 under the situation of different PTO driving mechanism gears.In fact, commercially available PTO device can't be used in combination with this driving mechanism or other known drive mechanisms, also can't use even perhaps change to adapt to this use, the benefit of doing like this makes that according to required velocity ratio difference with to change or the demand that change to drive the gear of described impeller shaft this change is unrealistic.Further, if described impeller shaft gear or actuation gear are changed, because the change of velocity ratio and speed may need to change described PTO driving mechanism gear or auxiliary device.
The velocity ratio that causes for the change that adapts to owing to described impeller gearing and the change of speed may need the change of described PTO gearing, and vice versa, and therefore described known fire water pump driving mechanism lacks multifunctionality.As top pointed, it is waited until the present inventor and recognizes, can replace or change described PTO gearing and be not simultaneously and must replace or change described impeller gearing and vice versa, multiple benefit will be provided, as above being described in detail.No doubt, driving mechanism mentioned in background technique and in Figure 11 can provide power to auxiliary device, but compares with the present invention, and this driving mechanism is limited.
According to the present invention, by on the described input shaft that two gears is placed described pump drive mechanism (the described PTO device of one of them gear drive and another gear operation are to drive described impeller shaft independently), solve problem, eliminated the requirement that needs the gearing of change or replacement PTO device owing to the change of the gearing of the impeller shaft that drives fire water pump.The present inventor has been found that, this configuration allows the design of described PTO gearing to be independent of described impeller gearing more, thereby the speed of described PTO gear and further feature can compatible mutually with auxiliary device (comprising with commercially available PTO device compatible mutually).In fact, this configuration allows to replace the described PTO gearing or the PTO device of described driving mechanism under the situation of speed that does not influence described impeller shaft gearing or velocity ratio, and vice versa.
With reference to figure 1-10, reference numbers 20 is described the driving mechanism that embodies principle of the present invention usually.On the one hand, driving mechanism 20 is fluid pump driving mechanisms and comprises housing 22.Driving mechanism 20 is operated and can be used in the pump of fire-fighting class on fire engine or other emergency response car.Housing 22 be preferably by the cast metal for example iron, be preferably aluminium and make.Housing 22 is individual constructions and can be connected to or comprises bottom 23.Housing 22 is admitted the live axle 34 that enters housing 22 in a conventional manner.Live axle 34 is connected the clutch actuation gear 30 (referring to Fig. 2-4) in the housing 22.Clutch actuation gear 30 is operably connected to impeller shaft 40.Driving mechanism 20 further comprises the PTO gear 32 that is attached on the live axle 34.According to the present invention, by described clutch actuation gear 30 is attached on the live axle 34, improved the multifunctionality of fire water pump driving mechanism 20,30 runnings of described clutch actuation gear are with drives impeller axle 40 independently.30 runnings of clutch actuation gear provide power for the running that is independent of PTO gear 32 impeller shaft 40.A particular aspects, by clutch, for example clutch 38 provides power optionally for impeller shaft 40.When live axle 34 and gear 32 and 30 can rotate together, clutch 38 allowed impeller shafts 40 to keep the free time independently.When starting clutch 38, impeller shaft 40 rotates.
Preferably, clutch 38 links to each other clutch actuation gear 30 with impeller shaft 40.Clutch 38 comprises clutch gear 36.Clutch actuation gear 30 is meshed with clutch gear 36.Although can use the gear of other kind, preferably, clutch actuation gear 30 is the helical gears that mate with corresponding helical gear 36.Clutch actuation gear 30 and clutch gear 36 form pump gear group 44 (referring to Fig. 2) together.The quantity that can change employed tooth on gear train 44 is to obtain the velocity ratio of desired live axle-impeller shaft.Gear train 44 can comprise a plurality of gears, yet, preferably use a pair of gear for example gear 30 and clutch gear 36.Should be understood that and to set up specific gear train 44 so that the output speed of rotating is complementary with the optimum wheel rotation speed of the given pump 60 that can be meshed with impeller shaft 40.
When live axle 34 rotation, 30 rotations of clutch actuation gear, when clutch 38 is activated itself so that make clutch gear 36 rotations with running impeller shaft 40.When clutch 38 did not start, clutch gear 36 was freely rotating on the axle 40 and is being supported on the bearing 47.Clutch 38 is preferably the well-known multi-disc class with sheet plate 42.Clutch 38 comprises the chuck part 43 that is fixedly secured on the impeller shaft 40.When described clutch gear 36 rotated, some plates 42 also rotated.When clutch 38 was activated, plate 42 on clutch 38 or in the clutch 38, therefore made chuck 38 and impeller shaft 40 rotate in conjunction with (bind).The rotational velocity of impeller shaft 40 depends in part on the rotational velocity of live axle 34 and the velocity ratio of gear train 44.The rotational velocity that should be understood that impeller 40 can be different with the rotational velocity of live axle 34.
As top mentioned, driving mechanism 20 comprises the PTO gear 32 that is attached on the live axle 34.PTO gear 32 is attached on the axle 34 that thereby its rotates when 34 whens rotation of axle, and further preferably along axle 34 slips but remain on the fixed position.Although can use other kind type gear, preferably, PTO gear 32 is spur wheel classes and is set in the housing 22.PTO gear 32 allows described pump 60 of transmission independently and described PTO device 50 (referring to Fig. 8-10).More preferably, PTO gear 32 is configured to and commercially available power output, or the PTO50 engagement." commercially available " PTO device is the device that is installed on the standard P TO mouth of shell, especially is installed to the mouth with six or eight bolt patterns that is limited as Society of automotive engineers standard SAE J704 and is used to be installed in this device on the mouth with ten bolt patterns on Allison (Allison) driving mechanism.The example that is used for an indefiniteness of the PTO gear 32 that is used in combination with the present invention comprises and the spur wheel 32 of admittance gear 54 (referring to Fig. 8) coupling of PTO 50 that it also is spur wheel that wherein said PTO admits gear 54.Should be understood that gear 32 can be configured to be complementary with the admittance gear of other type, be configured to operate with commercially available PTO device but be preferably.The example of other indefiniteness that can install with the commercially available PTO 50 that the present invention uses comprises Chelsea and Muncie (not shown) class.Gear 32 and admittance gear 54 form PTO gear train 46 (referring to Figure 10) together.The quantity that can change the tooth that uses on gear train 46 is to obtain the ratio of desired live axle-PTO output shaft.Gear train 46 can comprise a plurality of gears, yet preferably uses a pair of gear for example gear 32 and admittance gear 54.Should be understood that and to set up specific gear train 46 so that rotate output speed and the optimum rotation speed of given fixture (not shown fixture) is complementary.The example of the indefiniteness of some fixtures comprises suction booster, compressor, foam pump, generator or other device.
Preferably, housing 22 limits PTO opening 48 (referring to Fig. 5).PTO opening 48 allows to touch the inner space of housing 22, and clutch actuation gear 30 and PTO gear 32 are in the running of the inner space of housing 22.Preferably, opening 48 is set to clutch-adjacent actuation gear 30 and PTO gear 32.Preferably, housing 22 comprises smooth substantially attachment face 24.Face 24 is positioned at the outside of housing 22 and preferably centers on the periphery 26 of described PTO opening 48.Preferably, periphery 26 size is set to periphery 26 ' with PTO 50 be complementary (referring to Fig. 8).Preferably, attachment face 24 comprises at least one bolt hole 28, and more preferably comprise at least six bolts hole 28 as shown in the figure, and most preferably comprise the hole with six or eight bolt patterns or the mouth that are limited as Society of automotive engineers standard SAE J704, or be used to be installed in the mouth on the Allison driving mechanism with ten bolt patterns.When PTO device 50 was not installed to driving mechanism 20, plate 52 was installed on the housing 22, and it covers PTO opening 48 and clutch actuation gear 30 and PTO gear 32.Use bolt 29 that plate 52 is installed on the housing 22.Although can adopt other size and kind, preferably, plate 52 is substantially rectangular, smooth body, its qualification and being positioned at be oriented with the parallel substantially plane of the longitudinal axis A (referring to Fig. 4) of live axle 34 on.Preferably, attachment face 24 limits one and is oriented the plane parallel substantially with the longitudinal axis A of live axle 34.Described plane is preferably the gear teeth face (gear flank) that also is parallel to described PTO gear 32 and extends (is under the situation of spur wheel at the PTO gear).Should be understood that limiting one at attachment face 24 is oriented and the longitudinal axis A of live axle 34 substantially under the situation on parallel plane, PTO50 being installed in to admit between gear 54 and the spur wheel 32 preferred and improved engagement is provided thereon.In this orientation is not under the parallel situation of cardinal principle, and when meshing with gear 32 or when attempting connection gear 54 and gear 32, admittance gear 54 may otherwise crooked or misalignment.Further, as shown in substantially, opening 48 is positioned on the side of driving mechanism 20.
Advantageously, can from PTO50 and housing 22 stretch out or the PTO drive line (drive line is not shown) that extends away from PTO50 and housing 22 owing to can drive, the use of commercially available PTO device makes the fixture that can use long range positioning.Drive line can comprise the axle that is connected to or comprises output shaft 56, and can be equipped with U joint or yoke (yoke) element, perhaps can comprise hydraulic coupling.For example, associate member can be arranged on the zone (or on the described housing 22 or on the parts of fire engine or other more structural other zone) by reference character 62 marks substantially.This directed permission need not structure directly be connected to the assembly department on the housing 22, or other the approaching relatively connection set to the driving mechanism 20.
Description above only illustrates principle of the present invention.For example, although multiplate clutch 38 is installed on the described impeller shaft 40, can use other clutch mechanism optionally to open clutch 40.
Although it is therefore to be understood that not shown here or not description, those skilled in the art can design embodiment principle of the present invention and so configuration within the spirit and scope of the present invention of plurality of optional.
Claims (12)
1. fire water pump driving mechanism comprises:
Be attached on the live axle of described driving mechanism the impeller clutch actuation gear and
Be attached to PTO gear contiguous on the described live axle with described impeller clutch actuation gear.
2. driving mechanism as claimed in claim 1 further comprises the impeller shaft with clutch mounted thereto, and described impeller clutch actuation gear is connected with described clutch.
3. driving mechanism as claimed in claim 2, wherein said clutch is a multiplate clutch.
4. driving mechanism as claimed in claim 1, wherein said PTO gear is a spur wheel.
5. driving mechanism as claimed in claim 1, wherein said PTO gear is in abutting connection with described impeller clutch actuation gear.
6. driving mechanism as claimed in claim 5, wherein said clutch comprise the clutch gear that is connected with described clutch actuation gear.
7. driving mechanism as claimed in claim 1 further comprises the PTO device on the housing that is installed to described driving mechanism.
8. driving mechanism as claimed in claim 7, wherein said PTO device are commercially available PTO devices.
9. fire water pump driving mechanism comprises:
Housing;
Impeller shaft;
In described housing, be attached to the PTO gear on the live axle;
The impeller clutch actuation gear that is attached on the described live axle and is connected with multiplate clutch on being installed in described impeller shaft.
10. driving mechanism as claimed in claim 9 further comprises the PTO device that is installed on the described housing.
11. driving mechanism as claimed in claim 9 further comprises the impeller that is attached on the described impeller shaft.
12. driving mechanism as claimed in claim 9 further comprises the opening that is limited by described housing, around the periphery setting of described opening and limit the attachment face on a plane, described plane is oriented the longitudinal axis that is in substantially parallel relationship to described live axle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87008606P | 2006-12-14 | 2006-12-14 | |
| US60/870,086 | 2006-12-14 | ||
| PCT/US2007/087642 WO2008076924A2 (en) | 2006-12-14 | 2007-12-14 | Dual gear pump transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101652583A true CN101652583A (en) | 2010-02-17 |
| CN101652583B CN101652583B (en) | 2014-01-22 |
Family
ID=39537010
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780051246.XA Expired - Fee Related CN101657650B (en) | 2006-12-14 | 2007-12-14 | Firefighting pump transmission mechanism and method for providing power |
| CN200780051192.7A Expired - Fee Related CN101652583B (en) | 2006-12-14 | 2007-12-14 | Fire pump transmission |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780051246.XA Expired - Fee Related CN101657650B (en) | 2006-12-14 | 2007-12-14 | Firefighting pump transmission mechanism and method for providing power |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN101657650B (en) |
| DE (2) | DE112007003048T5 (en) |
| WO (2) | WO2008076913A2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090114045A1 (en) * | 2007-11-01 | 2009-05-07 | Brian Wilson | Power Take-Off Unit Having Scissor Gears |
| US8678750B2 (en) * | 2010-04-20 | 2014-03-25 | W. S. Darley + Co. | Specialty pump with heat exchanger and system |
| CN103982592B (en) * | 2014-03-14 | 2016-09-28 | 杭州发达齿轮箱集团有限公司 | A kind of fire pump gearbox peculiar to vessel of brake device |
| WO2016090032A1 (en) * | 2014-12-02 | 2016-06-09 | Us Fire Pump Company, L.L.C. | High-capacity fluid pump |
| DE102017126482A1 (en) * | 2017-11-10 | 2019-05-16 | Syn Trac Gmbh | Vehicle-side and attachment-side PTO connection device and a PTO connection device with these two PTO connection devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53134156A (en) * | 1977-04-27 | 1978-11-22 | Kubota Ltd | Transmission of tractor |
| US4587862A (en) | 1983-07-10 | 1986-05-13 | Hale Fire Pump Company | Transmission for pumps |
| EP0141952B1 (en) * | 1983-09-15 | 1987-08-12 | ZF FRIEDRICHSHAFEN Aktiengesellschaft | Hydrostatic-mechanical transmission |
| US4811804A (en) * | 1986-12-08 | 1989-03-14 | Emergency One, Inc. | Fire truck with rear-mounted engine |
| US4938085A (en) * | 1987-06-30 | 1990-07-03 | Honda Giken Kogyo Kabushiki Kaisha | Power transmission system in a tractor |
| US5145014A (en) | 1990-12-28 | 1992-09-08 | Hale Fire Pump Company | Air supply system for firefighting apparatus |
| US5228355A (en) * | 1991-11-15 | 1993-07-20 | Dana Corporation | Pto unit for a transmission or the like including a lubrication system operable only when the pto is in operation |
| ES2101441T3 (en) * | 1993-06-09 | 1997-07-01 | Eaton Corp | INTERMEDIATE TWIN TRANSMISSION AND IMPROVED STRENGTH DEVICE FOR THE SAME. |
| US5913547A (en) * | 1997-07-03 | 1999-06-22 | Muncie Power Products, Inc. | P.T.O. securement method |
| CN2529790Y (en) * | 2001-09-29 | 2003-01-08 | 周鋐 | Power torque divider able to switch driving mode |
| DE602004019005D1 (en) * | 2003-04-17 | 2009-03-05 | Kanzaki Kokyukoki Mfg Co Ltd | Power splitting and shaft drive device for a work vehicle |
| US7070036B2 (en) * | 2003-08-29 | 2006-07-04 | Muncie Power Products, Inc. | Power takeoff device |
| US6979913B2 (en) * | 2004-02-20 | 2005-12-27 | Contour Hardening, Inc. | Vehicle mounted electrical generator system |
| JP4508698B2 (en) * | 2004-03-31 | 2010-07-21 | 株式会社クボタ | Riding mower |
| JP2006153033A (en) * | 2004-11-25 | 2006-06-15 | Kanzaki Kokyukoki Mfg Co Ltd | Pumping device and hydraulic continuously variable transmission |
-
2007
- 2007-12-14 DE DE112007003048T patent/DE112007003048T5/en not_active Withdrawn
- 2007-12-14 CN CN200780051246.XA patent/CN101657650B/en not_active Expired - Fee Related
- 2007-12-14 CN CN200780051192.7A patent/CN101652583B/en not_active Expired - Fee Related
- 2007-12-14 WO PCT/US2007/087626 patent/WO2008076913A2/en active Application Filing
- 2007-12-14 DE DE112007003049T patent/DE112007003049T5/en not_active Withdrawn
- 2007-12-14 WO PCT/US2007/087642 patent/WO2008076924A2/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008076913A2 (en) | 2008-06-26 |
| WO2008076924A3 (en) | 2008-11-20 |
| WO2008076924A9 (en) | 2008-10-02 |
| CN101657650A (en) | 2010-02-24 |
| WO2008076913B1 (en) | 2008-10-02 |
| DE112007003048T5 (en) | 2009-10-29 |
| WO2008076913A3 (en) | 2008-08-07 |
| CN101652583B (en) | 2014-01-22 |
| CN101657650B (en) | 2013-12-18 |
| WO2008076924A2 (en) | 2008-06-26 |
| DE112007003049T5 (en) | 2009-12-03 |
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