Motor vehicles – Power – Battery mountings and holders
Patent
1996-06-12
1998-09-15
Oberleitner, Robert J.
Motor vehicles
Power
Battery mountings and holders
248503, 206335, 429 99, 429156, B60R 1604
Patent
active
058066187
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a fastening and lifting system for a battery pack of an electric car, in which a fastening strap has been arranged around the battery or batteries, by means of which strap the battery or batteries has/ have been made into one entity and fastened to the battery box.
BACKGROUND OF THE INVENTION
It is known in the art to place the batteries of an electric car in a comparatively strongly-built box which is firmly secured to the car. When lifting batteries, e.g for service or repairs, the box has to be lifted, whereby the batteries are lifted therewith. In a state-of-art design, the bottom of the battery box is, when being installed in the car, first secured to the boot floor and thereafter holes are borred for battery fastening rods. The fastening rods extend through the car floor. Batteries are lifted on top of the bottom part of the box and secured with aluminium rails of the width of the entire battery pack. The batteries have been divided into two groups, and they are secured at the front and rear ends with aluminium angle members and between the groups with a T-shape member. The fastening rods extending through the bottom also extend through the aluminium members, that is, the batteries are in a way left compressed between the bottom part and said members. The cover of the battery box is secured with screws to the bottom part.
As regards the service of batteries, the oldfashioned battery box is very cumbersome for the reason that even for replacing one battery, nearly all batteries have to be dismounted from the anchorage thereof. Lifting batteries within a car is very difficult because of the scarce space. Since the batteries constitute the part which needs most service in an electric car, it is also of great importance that the entire car has to be left to stay in the service during the entire servicing.
The prior art battery box with fitting accessories has been rather expensive, and its fitting has been most timeconsuming, taking even four hours. The battery packs known in the art are considerably heavy, weighing about 400 to 700 kilos, so that the box has to be very strongly built, because of which the battery box has become heavy in weight and expensive in the prior art designs.
As regards the state of art, reference is made also to U.S. Pat. Nos. 5,037,711, 4,367,572, 4,936,409, 5,004,081, and 4,020,244, and to FR patents No. 1 267 153, and to EP application 0 065 349. In said references such arrangements have been disclosed in which either the batteries are clamped into a group with a strap, and the group is secured to a box, or the battery is secured with a strap to its box. In said state of art designs the battery box is secured with separate securing arrangements to the vehicle frame structures. In the state of art designs the battery box forms the construction carrying the weight of the batteries.
OBJECTS AND SUMMARY OF THE INVENTION
The object of the present invention is to provide an operation and handling system for the batteries of an electric car in which the battery pack is secured in place in the car and in which lifting the battery pack in conjunction with service is easy to carry out.
The aim of the present invention is also to provide an operation and handling system for the batteries of an electric car in which the battery box is light in weight but provides a reliable securing to the car, and the battery box is advantageous regarding the manufacturing costs.
For achieving the above aims and those to be disclosed below, the operation and handling system of the batteries of the invention is mainly characterized in that the batteries have been secured to the car by means of a battery strap.
As taught by the invention, the battery pack of an electric car is inserted in a box which is light in construction, and the securing of the batteries to the vehicle frame is accomplished by means of separate straps. The same straps can be used for lifting the batteries in service situations. According to the invention, the batteries ha
REFERENCES:
patent: 4020244 (1977-04-01), Selinko
patent: 4367572 (1983-01-01), Zielenski
patent: 4936409 (1990-06-01), Nix et al.
patent: 5004081 (1991-04-01), Custer
patent: 5037711 (1991-08-01), Bonnaud et al.
patent: 5390754 (1995-02-01), Masuyama et al.
Imatran Voima Oy
Lipka Pamela J.
Oberleitner Robert J.
LandOfFree
Fastening and lifting system for a battery pack of an electric c does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fastening and lifting system for a battery pack of an electric c, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fastening and lifting system for a battery pack of an electric c will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-78847