A Common Rail For A Fuel Injection System

Bosch Limited
Withdrawn App No 202141012956 Mechanical Engineering

Patent information

IP India · live record
Application number
202141012956
Filing date
25 March 2021
Status
Withdrawn
Publication number
39/2022
Publication type
INA
Invention field
Mechanical Engineering

Abstract

A common rail (200) for a fuel injection system (100) comprising a pressure compensation valve (300) attached to an end (205) of said common rail (200). The pressure compensation valve (300) comprising a valve housing (305) having a hollow chamber (350) and at least two valve elements (310) attached to the two projected ends (330) of said valve housing (305). The valve elements (310) form an orifice (325) having an opening towards said end (205) of common rail (200) where the pressure compensation valve (300) is attached. The hollow chamber (350) of the valve housing (305) comprising a poppet (320) and a spring (335) in a manner such that said poppet (320) is abutting said spring (335).

Applicants

2
India
Bosch Limited Post Box No. 3000, Hosur Road, Adugodi, Bangalore 560030, Karnataka, India
Germany
Robert Bosch GmbH Feuerbach, Stuttgart, Germany

Inventors

3
India
Bheema Rao Kashi Jagannatha Rao27, Kothnur main road, Bengaluru-560062, Karnataka, India
India
Madhwaraj Hariprasad105, 11th Cross, 11th Main, Bengaluru- 560003, Karnataka, India
India
Rajaram Ramashesh Nannival43, Post Office Road, Bengaluru-560111, Karnataka, India

Claims

7
1 A common rail (200) for a fuel injection system (100) comprising at least: - a first end (210), said first end being connected to a rail pressure sensor (215); and - a second end (205); characterized in that - a pressure compensation valve (300) located in said second end (205) of said rail (200), said pressure compensation valve(300) comprising: - a valve housing (305) having a hollow chamber; - at least two valve elements (310) affixed to one end of said valve housing; - a poppet (320) located in said hollow chamber (350); - a spring (335) located in said hollow chamber (350) in a manner such that said poppet (320) is abutting said spring (335).
2 A common rail fuel injection system (100) comprising at least: - a common rail (200), said common rail (200) when placed in an assembly position, having a first end (210), said first end being connected to a rail pressure sensor (215), and a second end (205); characterized in that - a pressure compensation valve (300) located in said second end (205) of said rail (200), said pressure compensation valve(300) comprising: - a valve housing (305) having a hollow chamber; - at least two valve elements (310) affixed to one end of said valve housing; - a poppet (320) located in said hollow chamber (350); - a spring (335) located in said hollow chamber (350) in a manner such that said poppet (320) is abutting said spring (335).
3 The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve elements (310) have external threading to facilitate screwing onto the said second end (205) of said common rail (200).
4 The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve housing (305) of said pressure compensation valve (300) comprises of two projected ends (330).
5 The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve elements (310) of said pressure compensation valve (300) are attached to said projected ends (330).
6 The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve elements (310) are detachable.
7 The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve elements (310) attached to said projected ends (330) of said valve housing (305) form an orifice (325), said orifice opening towards said second end (205) of said common rail (200). , Description:A common rail (200) for a fuel injection system (100) comprising a pressure compensation valve (300) attached to an end (205) of said common rail (200). The pressure compensation valve (300) comprising a valve housing (305) having a hollow chamber (350) and at least two valve elements (310) attached to the two projected ends (330) of said valve housing (305). The valve elements (310) form an orifice (325) having an opening towards said end (205) of common rail (200) where the pressure compensation valve (300) is attached. The hollow chamber (350) of the valve housing (305) comprising a poppet (320) and a spring (335) in a manner such that said poppet (320) is abutting said spring (335).

Specification

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Claims:1. A common rail (200) for a fuel injection system (100) comprising at least: - a first end (210), said first end being connected to a rail pressure sensor (215); and - a second end (205); characterized in that - a pressure compensation valve (300) located in said second end (205) of said rail (200), said pressure compensation valve(300) comprising: - a valve housing (305) having a hollow chamber; - at least two valve elements (310) affixed to one end of said valve housing; - a poppet (320) located in said hollow chamber (350); - a spring (335) located in said hollow chamber (350) in a manner such that said poppet (320) is abutting said spring (335). 2. A common rail fuel injection system (100) comprising at least: - a common rail (200), said common rail (200) when placed in an assembly position, having a first end (210), said first end being connected to a rail pressure sensor (215), and a second end (205); characterized in that - a pressure compensation valve (300) located in said second end (205) of said rail (200), said pressure compensation valve(300) comprising: - a valve housing (305) having a hollow chamber; - at least two valve elements (310) affixed to one end of said valve housing; - a poppet (320) located in said hollow chamber (350); - a spring (335) located in said hollow chamber (350) in a manner such that said poppet (320) is abutting said spring (335). 3. The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve elements (310) have external threading to facilitate screwing onto the said second end (205) of said common rail (200). 4. The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve housing (305) of said pressure compensation valve (300) comprises of two projected ends (330). 5. The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve elements (310) of said pressure compensation valve (300) are attached to said projected ends (330). 6. The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve elements (310) are detachable. 7. The common rail (200) for fuel injection system (100) as claimed in claim 1, wherein said valve elements (310) attached to said projected ends (330) of said valve housing (305) form an orifice (325), said orifice opening towards said second end (205) of said common rail (200). , Description:A common rail (200) for a fuel injection system (100) comprising a pressure compensation valve (300) attached to an end (205) of said common rail (200). The pressure compensation valve (300) comprising a valve housing (305) having a hollow chamber (350) and at least two valve elements (310) attached to the two projected ends (330) of said valve housing (305). The valve elements (310) form an orifice (325) having an opening towards said end (205) of common rail (200) where the pressure compensation valve (300) is attached. The hollow chamber (350) of the valve housing (305) comprising a poppet (320) and a spring (335) in a manner such that said poppet (320) is abutting said spring (335).

Documents

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Application documents
1 202141012956-POWER OF AUTHORITY [25-03-2021(online)].pdf 25 Mar 2021
2 202141012956-FORM 1 [25-03-2021(online)].pdf 25 Mar 2021
3 202141012956-DRAWINGS [25-03-2021(online)].pdf 25 Mar 2021
4 202141012956-DECLARATION OF INVENTORSHIP (FORM 5) [25-03-2021(online)].pdf 25 Mar 2021
5 202141012956-COMPLETE SPECIFICATION [25-03-2021(online)].pdf 25 Mar 2021