Suspension arrangement for an energy storage system
A suspension arrangement is provided for an energy storage system of a vehicle comprising a frame. The suspension arrangement includes a set of first bracket portions, wherein the first bracket portions are spaced apart from each other and connectable to a first portion of the frame; a set of second bracket portions. Each second bracket portion is connected to a respective one of the first bracket portions by a first stretchable connector arrangement to form a first encircling portion configured to suspend a first gas tank. A set of third bracket portions is provided, wherein each third bracket portion is connected to a respective one of the first bracket portions by a second stretchable connector arrangement to form a second encircling portion configured to suspend a second gas tank, the set of third bracket portions being arranged on an opposite side of the set of first bracket portions compared to the position of the set of second bracket portions.
1 . A suspension arrangement for an energy storage system of a vehicle comprising a frame, the suspension arrangement comprising:
a set of first bracket portions, wherein the first bracket portions are spaced apart from each other and connectable to a first portion of the frame;
a set of second bracket portions, wherein each second bracket portion is connected to a respective one of the first bracket portions-by a first stretchable connector arrangement-to form a first encircling portion configured to suspend a first gas tank; and
a set of third bracket portions, wherein each third bracket portion-is connected to a respective one of the first bracket portions-by a second stretchable connector arrangement to form a second encircling portion configured to suspend a second gas tank, the set of third bracket portions-being arranged on an opposite side of the set of first bracket portions compared to the position of the set of second bracket portions,
wherein the suspension arrangement further comprises a battery suspension arrangement connectable to a second portion of the frame of the vehicle, wherein the battery suspension arrangement is connected to the set of third bracket portions, the battery suspension arrangement being arranged on an opposite side of the set of third bracket portions compared to the position of the set of first bracket portions.
2 . The suspension arrangement according to claim 1 , wherein the suspension arrangement further comprises an elongated connecting element, the first bracket portions being connected to the elongated connecting element at a distance from each other.
3 . The suspension arrangement according to claim 2 , wherein the elongated connecting element is configured to be connected to the first portion of the frame of the vehicle.
4 . The suspension arrangement according to claim 3 , further comprises a plurality of bushings arranged on the elongated connecting element and connectable to the first portion of the frame.
5 . The suspension arrangement according to claim 2 , wherein each of the first bracket portions is configured to assume a first and a second connection state to the elongated connecting element, wherein each of the first bracket portions is fixated to the elongated connecting element when assuming the first connection state, and slidable along the elongation of the elongated connecting element when assuming the second connection state.
6 . The suspension arrangement according to claim 2 , wherein the elongated connecting element is an extruded beam profile.
7 . The suspension arrangement according to claim 1 , wherein each of the first and second stretchable connector arrangements comprises a stretchable strap, respectively.
8 . The suspension arrangement according to claim 1 , wherein the battery suspension arrangement and the set of third bracket portions are forming a third encircling portion for housing a third gas tank.
9 . The suspension arrangement according to any claim 1 , further comprising a second elongated connecting element arranged on the battery suspension arrangement, wherein the second elongated connecting element is configured to be connected to the second portion of the frame.
10 . The suspension arrangement according to claim 1 , further comprising a second plurality of bushings arranged on the second elongated connecting element and connectable to the second portion of the frame.
11 . The suspension arrangement according to claim 1 , further comprising a vertical crash protection plate connected to the set of second bracket portions.
12 . The suspension arrangement according to claim 11 , wherein the vertical crash protection plate is arranged on an opposite side of the second bracket portions compared to the position of the first bracket portions.
13 . The suspension arrangement according to claim 1 , further comprises a stiffness increasing plate connected to the set of first bracket portions and to the set of second bracket portions, the stiffness increasing plate is arranged at a position below the first stretchable connector arrangement when the suspension arrangement is connected to the frame.
14 . A chassis arrangement for a vehicle at least partially propelled by an electric traction motor, the chassis arrangement comprising:
a frame,
a first and a second gas tank, each of the first and second gas tanks being configured to supply gas to a fuel cell system, wherein the fuel cell system is configured to generate electric power to the electric traction motor, and
a suspension arrangement according to claim 1 , the suspension arrangement being connected to a first portion of the frame, wherein the first gas tank is arranged between the first and second bracket portions and the second gas tank is arranged between the first and third bracket portions.
15 . A vehicle, comprising an electric traction motor and a chassis arrangement according to claim 14 .