Title of Invention

"AN IMPROVED AUTO TRANSMISSION ENERGY BOOSTER FOR A VEHICLE"

Abstract

An improved auto transmission energy booster for a vehicle between the output shaft of a gear box and transmission shaft of the vehicle comprising input and output shafts (1, 11) disposed in the housing (3) of the booster, a pinion gear (6) being provided on said input shaft to be engaged with a step up gear (7) splined fitted on the counter/lay shaft (8), another gear (9) splined fitted on the said counter/lay shaft (8) being provided to be engaged with another gear (10) splined fitted on the output shaft (11) of the booster, characterized in that: splashed oil collection and feeding scoop (17) being provided with the top cover (18) of the booster for providing lubricating oil supply to the bearing (4 and 5) provided for supporting the input shaft, a spigot bearing (25) arrangement is provided for inner ends of the input and output shafts to maintain the alignment to said shafts rotating independently with each other.

Full Text

This invention relates to an improved auto transmission energy booster for a vehicle. It is known in the art to provide a gear box coupled to the engine through the clutch system to obtain different speed of the vehicle as per the requirement by the driver. The gear boxes used are for example sychromesh gear box, constant sliding mesh gear boxes, pneumocyclic or spicyclic gear box. A transmission booster is disclosed in the patent no. 162740 for use between the output shaft of the conventional gear box and the transmission shaft of said vehicle and comprises a booster housing having an input and output shaft disposed therein. A pinion or gear meshing is provided with the inner end of the input shaft. A first driven gear is mounted on a counter/lay shaft. Bearing are provided in the said housing for supporting said counter/lay shaft within the housing. At least one drive gear is provided on said layshaft and is connected drivingly in a meshing relationship with an output gear provided on the output shaft of the booster. Arrangements are provided for sliding the driving gear provided in the inner end of the input shaft. Partition wall is provided to give support to the inner end of the input shaft. There are disadvantages associated with transmission booster as such known in the art. One of the main disadvantage is that the outer bearing of the pinion shaft is failed due to lack of lubrication. Another disadvantage is that the gear check occure very openly due to sliding engagement arrangement. Yet another disadvantage is that due to the partition wall provided in the housing between the input shaft and output shaft the accessbility to repair the device is cumbersome and difficult. Still another disadvantage is that the device is very heavy. Another disadvantage is that the firm fitting of the gears on the counter shaft produces noise and wear and tear to the gears is more. Yet another disadvantage is that no means are provided to keep the zero error in the alignment of input and output shaft which is required to keep the zero error in the alignment of these shaft. Still another disadvantage is that driver has to make additional efforts to engage and disengage the gear from the metal position. Therefore the main object of this invention is to provide an improved auto transmission energy booster having splashed oil collection and feeding scoop to the outer bearing of the input shaft by drilling the oil feeder passage in the main housing and outer bearing housing for the supply of the lubrications oil to the bearing of the input shaft. Yet another object of this invention is to provide an improved auto transmission energy booster which obviates the disadvantages associated with the prior art and is drivers friendly. Still another object of this invention is to provide an improved auto transmission energy booster and wherein the partition wall together with the middle bearings has been totally eliminated. Another object of this invention is to provided an improved auto transmission energy booster wherein the gears are provided on the counter/lay shaft on splines with spacers provided within the gears and the bearings. Still another object of this invention is to provided an improved auto transmission energy booster having spigot figment provided within the housing to support the inner end of the input and output shafts. Another object of this invention is to provide inner/male end of the output shaft in the female part of the input shaft rotatably and independently. Yet another object of this invention is to provide an improved auto transmission energy booster wherein sliding arrangement together with fork have been eliminated completely. Another object of this invention is to provide an improved auto transmission energy booster wherein the gears are provided in a constant mesh relationship without any sliding arrangement. Still another object of this invention is to provide an improved auto transmission energy booster adapted to be fitted in the reverse direction on the same vehicle for providing better climbility. According to this invention there is provided an improved auto transmission energy booster for a vehicle between the output shaft of a gear box and transmission shaft of the vehicle comprising input and output shafts disposed in the housing of the booster, a pinion gear being provided on said input shaft to be engaged with a step up gear splined fitted on the counter/lay shaft, another gear splined fitted on the said counter/lay shaft being provided to be engaged with another gear splined fitted on the output shaft of the booster, characterized in that: splashed oil collection and feeding scoop being provided with the top cover of the booster for providing lubricating oil supply to the bearing provided for supporting the input shaft, a spigot bearing arrangement is provided for inner ends of the input and output shafts to maintain the alignment to said shafts rotating independently with each other. In accordance with this invention an improved auto transmission energy booster has an input and output shafts disposed in a housing rotatably. A pinion/driving gear is secured in its place at the inner end of the input shaft by means of a stopper coller integral to the pinion gear. The pinion gear is adapted to be engaged with a step-up driven gear splined fitted on the counter/lay shaft. Another driving gear is splined fitted on the counter/lay shaft such that to be in mashing relationship with a driven gear splined fitted on the output shaft of the booster. Spacers are provided between the gears splined fitted on the counter/lay shaft. Specifically according to this invention means such as splashed oil collection and feeding scoop is provided with the top cover of the booster housing such that to provide the lubricating oil supply to the bearings provided for supporting the outer end of the input shaft through the oil feeder passages. Further a spigot bearing arrangement is provided between the mating ends of the input and the output shafts to keep such shaft in the alignment and rotation of the shafts independently. An air breather is provided with the top cover of the boosters housing. Further the partition wall provided between the gears has been eleminated according to this invention. Also the sliding means including fork have been eleminated. An auto transmission energy booster according to a preferred embodiment is herein described and illustrated in the accompanying drawings wherein: Fig. 1 shows the sectional view of the energy booster. Referring to the drawings the energy booster comprises a power input shaft 1 disposed in an input shaft housing 2 secured at one side of the housing 3 of the booster. Bearings 4 and 5 are provided to support the input shaft 1. A pinion/driving gear 6 is »plined fitted at the inner end of the input shaft such that to be engaged with a driven step—up gear 7 splined fitted on a counter/layshaft 8 disposed within the lower portion of the housing 3 of the booster rotatably. Another driving gear 9 is splined fitted on the counter shaft 8 such that to be engaged with another driven gear 10 splined fitted on an output shaft 11 supported on the other side of the housing 3 by means of bearing 12 and oil seal 13 is provided for bearing 12. The outer end of the output shaft 11 is extended into the oil seal housing 14. A spacer 15 is provided between the driven gears 7 and dri ving gear 9 to keep the distance between An oil seal 16 is provided for bearing 4. Means consisting of a splashed oil collection and feeding scoop 17 is provided with the top cover 18 of the housing 3 for supplying lubricating oil through a oil feeder passage 19 so as to lubricate the bearing 24. An air breather 20 is provided to faciliate the air breathing within the main housing of the energy booster. End covers 21 are provided to cover the bearings 22 and 23 provided for supporting the counter/lay shaft 8. The pinion/driving gear 6 having a stopper collar 21 is mounted on the inner end of the input shaft 1. A spigot bearing 25 is provided to support the inner/male end of the output shaft in the female part of the input shaft 1 rotatably and independantly of one another to maintain the allignment of said shafts with zero error. Flanges 26 and 27 are provided at the outer most ends of the input shaft 1 and output shaft 11 for faciliating the securing of the energy booster between the output shaft of the gear boxes and transmission shaft of the vehicle. All the gears according to this invention are splined fitted on the respective shafts with end float and backlash so as to provide a silent operation and to avoid the wear and tear of the components of the energy booster. Further the gears slippage has been avoided to provide the perfect working of the energy booster. According to another option the booster can be fitted in the reverse direction between the gear box and transmission system so as to provide a special arduons gradient operation like guarry etc. where better gradability is preferred then the fuel saving. Thus it is seen that by improving the construction of the auto transmission booster and by providing additional constructional features as discussed herein above all the disadvantages associated with the prior art have been eleminated and a new and useful auto transmission energy booster which is driver friendly has been provided to save the petrolium fuel and to reduce the environmental pollution produced by the vehicles running at the undesired speeds. ICLAIM: 1. An improved auto transmission energy booster for a vehicle between the output shaft of a gear box and transmission shaft of the vehicle comprising input and output shafts (1,11) disposed in the housing (3) of the booster, a pinion gear (6) being provided on said input shaft to be engaged with a step up gear (7) splined fitted on the counter/lay shaft (8), another gear (9) splined fitted on the said counter/lay shaft (8) being provided to be engaged with another gear (10) splined fitted on the output shaft (11) of the booster, characterized in that: splashed oil collection and feeding scoop (17) being provided with the top cover (18) of the booster for providing lubricating oil supply to the bearing (4 and 5) provided for supporting the input shaft, a spigot bearing (25) arrangement is provided for inner ends of the input and output shafts to maintain the alignment to said shafts rotating independently with each other. 2. An improved auto transmission energy booster as claimed in claim 1 wherein the bearing housing is provided with a feeder passage (19), through which the lubricating oil is supplied to the bearing (4). 3. An improved auto transmission energy booster as claimed in claim 1 wherein a spacer ( 15) is provided between the said step-up and the said gear (7 and 9) to maintain the distance between said gear. 4. An improved auto transmission energy booster substantially as herein described and illustrated with reference to accomanying drawing.

Documents:

303-del-1999-abstract.pdf

303-del-1999-claims.pdf

303-del-1999-correspondence-others.pdf

303-del-1999-correspondence-po.pdf

303-del-1999-description (complete).pdf

303-del-1999-drawings.pdf

303-del-1999-form-1.pdf

303-del-1999-form-19.pdf

303-del-1999-form-2.pdf

303-del-1999-form-3.pdf

303-del-1999-gpa.pdf