Bus

Patent metadata

Field	Value
Publication number	US-9561828-B2
Application number	US-201514845105-A
Country	US
Kind code	B2
Filing date	Sep 3, 2015
Priority date	Sep 30, 2014
Publication date	Feb 7, 2017
Grant date	Feb 7, 2017

Abstract

A bus is provided, including: a frame assembly including a front frame, a rear frame and a hinge turntable therebetween; carriages including a front carriage having a front carriage body and a front carriage floor, and a rear carriage having a rear carriage body and a rear carriage floor; a front axle and a middle axle disposed at a bottom of the front frame; a rear axle disposed at a bottom of the rear frame; a first group of battery packs including a first battery pack disposed within a rear cabin in the rear of the rear carriage body and a second battery pack disposed on the rear frame; a second group of battery packs disposed on upper surfaces of top roof of the front and rear carriage bodies; a third group of battery packs disposed on the front carriage floor and between the front axle and the hinge turntable.

First claim

What is claimed is:

1. A bus, comprising:
a frame assembly comprising a front frame, a rear frame and a hinge turntable disposed between the front frame and the rear frame;
carriages comprising a front carriage disposed on the front frame and a rear carriage disposed on the rear frame, the front carriage having a front carriage body and a front carriage floor, and the rear carriage having a rear carriage body and a rear carriage floor;
a front axle disposed at a bottom of the front frame, front wheels being disposed at two opposite ends of the front axle respectively;
a middle axle disposed at the bottom of the front frame, middle wheels being disposed at two opposite ends of the middle axle respectively;
a rear axle disposed at a bottom of the rear frame, rear wheels being disposed at two opposite ends of the rear axle respectively;
a first group of battery packs comprising a first battery pack disposed within a rear cabin in the rear of the rear carriage body and a second battery pack disposed on the rear frame;
a second group of battery packs disposed on upper surfaces of top roof of the front carriage body and the rear carriage body;
a third group of battery packs disposed on the front carriage floor and between the front axle and the hinge turntable.

2. The bus of claim 1 , wherein the first battery pack comprises eight battery modules arranged in two layers in a vertical direction and in four columns in a lateral direction.

3. The bus of claim 1 , wherein the second battery pack is located near the rear axle and under a last row of seats in the rear carriage, and the second battery pack comprises twelve battery modules arranged in four columns in a lateral direction and in three rows in a longitudinal direction.

4. The bus of claim 1 , wherein the second group of battery packs comprises:
a third battery pack disposed on a part of the top roof of the front carriage body right above the middle axle; and
a fourth battery pack disposed on a part of the top roof of the rear carriage body which is between the hinge turntable and the rear axle and is adjacent to the hinge turntable.

5. The bus of claim 4 , wherein the third battery pack comprises sixteen battery modules arranged in four columns in the lateral direction and in four rows in the longitudinal direction; and
the fourth battery pack comprises eight battery modules arranged in four columns in the lateral direction and in two rows in the longitudinal direction.

6. The bus of claim 4 , wherein the third battery pack and the fourth battery pack are covered by a battery pack cover.

7. The bus of claim 1 , wherein the third group of battery packs comprises:
a fifth battery pack disposed right above the front axle; and
a sixth battery pack disposed between the hinge turntable and the middle axle.

8. The bus of claim 7 , wherein the fifth battery pack comprises:
a left battery pack disposed above the front wheel at the left, and comprising four battery modules arranged in two rows in the longitudinal direction and in two layers in the vertical direction; and
a right battery pack disposed above the front wheel at the right, and comprising three battery modules arranged in three rows in the longitudinal direction.

9. The bus of claim 7 , wherein the sixth battery pack comprises:
eight battery modules symmetrically disposed behind a last row of seats in the front carriage with respect to a longitudinal centerline of the bus, and four battery modules of which are being arranged on each side of the longitudinal centerline of the bus in the vertical direction.

10. The bus of claim 1 , further comprising:
two refrigeration systems, one of which being disposed on the upper surface of the top roof of the front carriage body and between the front axle and the middle axle, and the other of which being disposed on the upper surface of the top roof of the rear carriage body and being above the rear axle.

11. The bus of claim 1 , wherein the middle axle comprises a left axle arm and a right axle arm disposed on the two ends of the middle axle respectively, and the bus further comprises a stabilizer rod disposed on the middle axle and the frame assembly, and the stabilizer rod comprises:
a rod body having a U-shaped horizontal projection and comprising a left rod body, a right rod body and a connecting part connected between the left rod body and the right rod body, wherein a left portion of the connecting part adjacent to the left rod body is connected to the left axle arm and a right portion of the connecting part adjacent to the right rod body is connected to the right axle arm; and
two booms having lower ends connected to free ends of the left rod body and the right rod body respectively and upper ends connected to the frame assembly.

12. The bus of claim 11 , further comprising two stabilizer rod brackets, wherein each stabilizer rod bracket comprises:
a vertical mounting plate connected to the left axle arm or the right axle arm;
a horizontal mounting plate vertically connected to the vertical mounting plate; and
a rod mounting block disposed under the horizontal mounting plate, the left portion of the connecting part or the right portion of the connecting part being disposed on the rod mounting block.

13. The bus of claim 12 , wherein the rod mounting block defines a U-shaped mounting groove having a downward opening, and the left portion of the connecting part or the right portion of the connecting part is disposed within the mounting groove.

14. The bus of claim 13 , further comprising:
two rubber bushings fitted over the left portion of the connecting part and the right portion of the connecting part and received within the corresponding mounting grooves respectively; and
two holders connected to bottoms of the corresponding rod mounting blocks respectively and configured to fix the rubber bushings within the mounting grooves.

15. The bus of claim 12 , further comprising
two fixing clips disposed on the left portion of the connecting part and the right portion of the connecting part respectively and adapted to fit with the rod mounting blocks to limit a freedom degree of the rod body in the lateral direction.

16. The bus of claim 15 , wherein the fixing clip comprises:
an upper fixing clip part disposed on an upper side of the connecting part and defining an upper positioning groove having a downward opening; and
a lower fixing clip part disposed on a lower side of the connecting part and defining a lower positioning groove having an upward opening.

17. The bus of claim 16 , wherein shapes of the upper fixing clip part and the lower fixing clip part are the same and the shape is configured as a semicircle.

18. The bus of claim 16 , wherein the boom comprises:
a boom body;
a frame connecting bracket detachably connected to an upper end of the boom body and welded with the frame assembly;
a boom connecting bracket fixed on a lower end of the boom body and detachably connected to the free end of the left rod body or the right rod body.

19. The bus of claim 18 , wherein
a first mounting tube is disposed on the upper end of the boom body, an axis of the first mounting tube is perpendicular to an axis of the boom body, and the frame connecting bracket is connected to the first mounting tube.

20. The bus of claim 18 , wherein
a second mounting tube is disposed at the free end of each of the left rod body and the right rod body, an axis of the second mounting tube is perpendicular to an axis of the left rod body and an axis of t

Assignees

• Byd Co Ltd
• Shenzhen Byd Auto R&D Co Ltd

Inventors

• Niu Yuecong
• Peng Wang
• Wu Yichao
• Yu Peng

Classifications

• B60G2202/1524

  with two air springs per wheel, arranged before and after the wheel axis · CPC title

• B62D47/025 Primary

  articulated buses with interconnecting passageway, e.g. bellows (coupling aspects B60D5/00) · CPC title

• B60G2300/14

  Buses · CPC title

• B60K2001/0438

  Arrangement under the floor · CPC title

• B60L11/18

  Operations & Transport · mapped topic