Claims:We Claim:
1. A common rail (100) for a common rail fuel injection system of an internal combustion engine comprising a plurality of modular port components (101,102), where at least one of the plurality of modular port component comprises a one or more high pressure ports, at least one modular port component (101) comprising a Rail Pressure Sensor (107) (RPS) and another modular port component (102) comprises a Pressure Limiting Valve (108) (PLV).

2. The common rail (100) as claimed in claim 1, where the plurality of modular port components (101,102) are connected to each-other via a bite-edge feature (109) provided on at least one end of each of the modular port components (101,102).

3. The modular common rail (100) as claimed in claim 1 , where the high pressure ports of the plurality of modular port components (101,102) are placed are different angles to each-other by rotating the end comprising of the bite-edge feature (109).
, Description:Complete Specification:
The following specification describes and ascertains the nature of this invention and the manner in which it is to be performed
Field of the invention
[0001] The present invention relates to a Modular Common Rail for a common rail fuel injection system of an internal combustion engine.
Background of the invention
[0002] Common Rail is a shared high-pressure reservoir that stores and supplies fuel to the injectors or the cylinders of an Internal Combustion Engine. The common rail comprises a plurality of high pressure ports for inlet and outlet of fuel. The number and orientation of these high pressure ports is dependent upon the engine requirements. As the engine requirements change, there is a need for a new design of the common rail. This leads to new forgings of the Common Rail.

[0003] Patent Application US6637407B discloses a common rail for a common rail fuel injection system of an internal combustion engine, having a tubular base body whose interior communicates with a plurality of connections. The interior is formed by at least two substantially circular-cylindrical recesses or bores which communicate with one another and whose longitudinal axes are parallel to one another. The connections originate only at the jacket face of one of the substantially circular-cylindrical recesses.

Brief description of the accompanying drawings
[0004] Figure 1 depicts a Common rail (100) comprising a plurality of modular port components (101,102) in accordance with an embodiment of our invention.
Detailed description of the embodiments

[0006] Figure 1 depicts a common rail (100) for a common rail (100) fuel injection system of an internal combustion engine. The common rail (100) comprises a plurality of modular port components (101,102). At least one of the plurality of modular port component comprises a one or more high pressure ports (103,104,105,106). At least one modular port component comprises a Rail Pressure Sensor (107) (RPS) and another modular port component comprises a Pressure Limiting Valve (108) (PLV).

[0008] In an embodiment the modular port components (101,102) have a tubular base body. The plurality of modular port components (101,102) are connected to each-other via a bite-edge feature (109) provided on at least one end of each of the modular port components (101,102). The high pressure ports (103,104,105,106) of the plurality of modular port components (101,102) are placed at different angles to each-other by rotating the end comprising of the bite edge feature (109).

[0009] One of the modular port components (101) receives a high pressure fuel from one of the high pressure ports (103,104) provided on the modular port component of the common rail (100). The Rail Pressure Sensor (107) (RPS) provided on at least one modular port component (101) communicates with an Electronic control unit of the vehicle to control the pressure in the common rail (100). The high pressure fuel is then stored and supplied to the injector or the cylinders by at least one another modular port component (102). The Pressure Limiting Valve (108) (PLV) provided on at least one another modular port component (102) of the common rail (100) reduces the pressure in the common rail (100) in case of overload and thus protects the other injection components from damage. In an embodiment of the present disclosure as mentioned above the plurality of modular port components (101,102) placed at different angles to each-other by rotating the end comprising of the bite edge feature. This is used to give different orientation to the one or more high pressure ports (103,104,105,106) as per the requirements of the engine. For example, the ports of the plurality of modular port components (101,102) can be at right angles to each-other.

[0010] Conventional common rails provide no flexibility for mounting the Rail on to the engine once they are forged. They cater to needs of only one engine type at a time. The common rail (100) comprising Modular port components (101,102) can be assembled based on different engine requirements. The common rail (100) comprising modular port components (101,102) will provide the flexibility of having different orientation of high pressure ports (103,104,105,106).

[0011] It must be understood that the embodiments explained in the above detailed description are only illustrative and do not limit the scope of this invention. Any modification in the embodiments with regard to Common rail (100) comprising Modular port components (101,102) are envisaged and form a part of this invention. The scope of this invention is limited only by the claims