Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
  • B60R19/52—Radiator or grille guards ; Radiator grilles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
  • B60R19/52—Radiator or grille guards ; Radiator grilles
  • B60R2019/525—Radiator grilles

Definitions

• the embodiments herein generally relate to bumper grills in vehicles and more particularly, to a grill for a vehicle bumper, where a portion of the grill is in upright position (vertical position) and another portion of the grill is disposed at a predefined angle from the portion of the grill which is in upright position, wherein the grill is at least a lower grill.
• a front bumper in a vehicle is used to absorb impact energy in an event of collision between the vehicle and a pedestrian such that the front bumper transfers the impact energy to rest of the body structure of the vehicle so as to meet pedestrian norms.
• a lower grill of the front bumper is used to allow cool air to flow to a radiator of the vehicle thereby cooling the engine.
• the lower grill of the front bumper plays an important role in pedestrian safety.
• Pedestrian safety is one of the important aspects in which research and development is being done, in addition to passenger safety, in the automobile design and manufacturing field. When the vehicle collides with the pedestrian, then the front bumper including the lower grill should ensure the pedestrian safety such that the pedestrian survives with little injury.
• Pedestrian's lower leg requirement is a part of the pedestrian norms.
• the principal object of an embodiment of this invention is to provide a grill for a vehicle bumper, where a portion of the grill is in upright position (vertical position) and another portion of the grill is disposed at a predefined angle from the portion of the grill which is in upright position.
• Another object of an embodiment of this invention is to provide a grill for a vehicle bumper with a predefined approach angle based on geographical regulatory requirement.
• Another object of an embodiment of this invention is to provide a grill for a vehicle bumper, which has reduced knee bending angle, knee shear displacement and acceleration parameter thereby meeting the pedestrian's lower leg requirements of pedestrian norms.
• Another object of an embodiment of this invention is to provide a grill for a vehicle bumper that enhances air intake requirements of a radiator and a HVAC unit of the vehicle thereby increasing the cooling efficiency of the radiator and the HVAC unit.
• Another object of an embodiment of this invention is to provide a grill for a vehicle bumper, which increases the co-efficient of drag (CD) thereby enhancing the fuel economy of the vehicle.
• a further object of an embodiment of this invention is to provide a grill for a vehicle bumper that meets the styling requirements of the vehicle.
• FIG. 1 depicts a front view of a grill for a vehicle bumper, according to a first embodiment of the invention as disclosed herein;
• FIG. 2 depicts a front view of a grill for a vehicle bumper, according to a second embodiment of the invention as disclosed herein;
• FIG. 3 depicts a front view of a grill for a vehicle bumper, according to a third embodiment of the invention as disclosed herein;
• FIG. 4 depicts a side view of the grill for the vehicle bumper, according to the first embodiment of the invention as disclosed herein;
• FIG. 5 depicts a perspective view of the grill for the vehicle bumper, according to the first embodiment of the invention as disclosed herein;
• FIG. 6 depicts a front view of the grill and the vehicle bumper in assembled condition, according to the first embodiment of the invention as disclosed herein;
• FIG. 7 depicts a perspective view of the grill for the vehicle bumper, according to the second embodiment of the invention as disclosed herein;
• FIG. 8 depicts a front view of the grill and the vehicle bumper in assembled condition, according to the second embodiment of the invention as disclosed herein;
• FIG. 9 depicts a perspective view of the grill for the vehicle bumper, according to the third embodiment of the invention as disclosed herein;
• FIG. 10 depicts a front view of the grill and the vehicle bumper in assembled condition, according to the third embodiment of the invention as disclosed herein;
• FIG. 11 depicts a graph plot between acceleration (g) on y- axis and time (seconds) on x-axis of the conventional grill and the grill, according to the embodiments (first, second and third embodiment) of the invention as disclosed herein; and
• FIG. 12 depicts a graph plot between knee bending angle (degrees) on y-axis and time (seconds) on x-axis of the conventional grill and the grill, according to the embodiments (first, second and third embodiment) of the invention as disclosed herein.
• FIG. 1 depicts a front view of a grill 100 for a vehicle bumper B, according to a first embodiment of the invention as disclosed herein.
• FIG. 1 depicts a front view of a grill 100 for a vehicle bumper B, according to a first embodiment of the invention as disclosed herein.
• the grill 100 is provided with a predefined approach angle on the vehicle bumper B (as shown in fig. 6) thereby providing better values of knee bending angle and knee shear displacement for pedestrian's lower leg in an event of impact (collision) between the vehicle and a pedestrian.
• the grill 100 is provided with a 25 degree approach angle. It is also within the scope of the invention to provide the grill 100 with any other approach angle values.
• the lower grill 100 includes a peripheral frame 102, a plurality of longitudinal links 104 and a plurality of cross links 106.
• the grill 100 is explained herein below with reference to a lower grill for a vehicle bumper. It is also within the scope of the invention to use/implement the arrangement (the peripheral frame 102, the plurality of longitudinal links 104 and the plurality of cross links 106) of the grill 100 to a front grill, a front center grill, a rear grill, a rear center grill or any other type of grill connected to the vehicle bumper.
• the peripheral frame 102 includes a first portion 102a, a second portion 102b, a third portion 102c, and a fourth portion 102d.
• the first portion 102a of the peripheral frame 102 is extending along the widthwise direction of the vehicle, where the first portion 102a of the peripheral frame 102 is adjacent to an upper portion of the vehicle bumper B.
• the second portion 102b of the peripheral frame 102 is extending from corresponding end of the first portion 102a of the peripheral frame 102 in a downward direction and provided at a predefined angle from corresponding end of the first portion 102a of the peripheral frame 102, where the second portion 102b of the peripheral frame 102 is adjacent to a driver side front wheel (not shown) of the vehicle.
• the second portion 102b of the peripheral frame 102 is also within the scope of the invention to provide the second portion 102b of the peripheral frame 102 to be transversely extending from corresponding end of the first portion 102a of the peripheral frame 102.
• the third portion 102c of the peripheral frame 102 is extending from corresponding end of the first portion 102a of the peripheral frame 102 in a downward direction and provided at a predefined angle from corresponding end of the first portion 102a of the peripheral frame 102, where the third portion 102c of the peripheral frame 102 is adjacent to a passenger side front wheel (not shown) of the vehicle. It is also within the scope of the invention to provide the third portion 102c of the peripheral frame 102 to be transversely extending from corresponding end of the first portion 102a of the peripheral frame 102.
• the fourth portion 102d of the peripheral frame 102 is transversely extending between corresponding end of the second portion 102b and the third portion 102c of the peripheral frame 102 along the widthwise direction of the vehicle, where the fourth portion 102d of the peripheral frame 102 is adjacent to a lower portion of the vehicle bumper B.
• the plurality of longitudinal links 104 is transversely extending between the second portion 102b and the third portion 102c of the peripheral frame 102 along the widthwise direction of the vehicle and provided at a predetermined distance from each other.
• the plurality of longitudinal links 104 includes at least one first longitudinal link 104a and at least one second longitudinal link 104b.
• the first longitudinal link 104a is transversely extending between the second portion 102b and the third portion 102c of the peripheral frame 102 along the widthwise direction of the vehicle.
• the second longitudinal link 104b is transversely extending between the second portion 102b and the third portion 102c of the peripheral frame 102 along the widthwise direction of the vehicle.
• the first portion 102a, the second portion 102b, the third portion 102c and the fourth portion 102d of the peripheral frame 102, the plurality of longitudinal links 104 (104a and 104b) and the plurality of cross links 106 (106a, 106b and 106c) define a plurality of air intake passages 108.
• the plurality of air intake passages 108 of the peripheral frame 102 of the grill 100 is adapted to allow the cool air to flow to a radiator (not shown) of the vehicle thereby cooling an engine (not shown) of the vehicle.
• each first cross link 206a, each second cross link 206b and each third cross link 206c with any other height dimensions without otherwise deterring the intended function of the plurality of cross links 206 (206a, 206b and 206c) as can be deduced from the description and corresponding drawings.
• the first portion 202a, the second portion 202b, the third portion 202c and the fourth portion 202d of the peripheral frame 202, the plurality of longitudinal links 204 (204a and 204b) and the plurality of cross links 206 (206a, 206b and 206c) define a plurality of air intake passages 208.
• the plurality of air intake passages 208 of the peripheral frame 202 of the grill 200 is adapted to allow the cool air to flow to a radiator (not shown) of the vehicle thereby cooling an engine (not shown) of the vehicle.
• the first portion 202a of the peripheral frame 202, at least a portion of the second portion 202b of the peripheral frame 202, at least a portion of the third portion 202c of the peripheral frame 202, at least a portion of the first longitudinal link 204a and the plurality of first cross links 206a are disposed substantially in an upright position (vertical position).
• At least another portion of the second portion 202b of the peripheral frame 202, at least another portion of the third portion 202c of the peripheral frame 202, the fourth portion 202d of the peripheral frame 202, at least another portion of the first longitudinal link 204a, the second longitudinal link 204b, the plurality of second cross links 206b and the plurality of third cross links 206c are disposed at a predefined angle from a vertical plane of the grill 200, where the vertical plane is substantially parallel to the first cross links 206a.
• the arrangement of the peripheral frame 202, the plurality of longitudinal links 204 (204a and 204b) and the plurality of cross links 206 (206a, 206b and 206c) in the aforementioned grill 200 has reduced knee bending angle, knee shear displacement and acceleration parameter thereby meeting the pedestrian lower leg requirements of pedestrian norms, enhances air intake requirements of the radiator (not shown) and a HVAC unit (not shown) of the vehicle thereby increasing the cooling efficiency of the radiator (not shown) and the HVAC unit (not shown), increases the coefficient of drag (CD) value by 0.05 in aerodynamic CFD analysis thereby enhancing the fuel economy of the vehicle, and meets the styling requirements of the vehicle.
• CD coefficient of drag
• FIG. 3 depicts a front view of a grill 300 for a vehicle bumper B of a vehicle, according to a third embodiment of the invention as disclosed herein.
• FIG. 9 depicts a perspective view of the grill 300 for the vehicle bumper B, according to the third embodiment of the invention as disclosed herein.
• the grill 300 is provided with a predefined approach angle on the vehicle bumper B (as shown in fig. 10) thereby providing better values of knee bending angle and knee shear displacement for pedestrian's lower leg in an event of impact (collision) between the vehicle and the pedestrian.
• the grill 300 is provided with a 25 degree approach angle. It is also within the scope of the invention to provide the grill 300 with any other approach angle values.
• the grill 300 includes a peripheral frame 302, a plurality of longitudinal links 304 and a plurality of cross links 306.
• the grill 300 is explained herein below with reference to a lower grill for a vehicle bumper. It is also within the scope of the invention to use/implement the arrangement (the peripheral frame 302, the plurality of longitudinal links 304 and the plurality of cross links 306) of the grill 300 to a front grill, a front center grill, a rear grill, a rear center grill or any other type of grill connected to the vehicle bumper.
• the peripheral frame 302 includes a first portion 302a, a second portion 302b, a third portion 302c, and a fourth portion 302d.
• the first portion 302a of the peripheral frame 302 is extending along the widthwise direction of the vehicle, where the first portion 302a of the peripheral frame 302 is adjacent to an upper portion of the vehicle bumper B.
• the second portion 302b of the peripheral frame 302 is extending from corresponding end of the first portion 302a of the peripheral frame 302 in a downward direction, and provided at a predefined angle from corresponding end of the first portion 302a of the peripheral frame 302, where the second portion 302b of the peripheral frame 302 is adjacent to a driver side front wheel (not shown) of the vehicle.
• the second portion 302b of the peripheral frame 302 is transversely extending from corresponding end of the first portion 302a of the peripheral frame 302.
• the third portion 302c of the peripheral frame 302 is extending from corresponding end of the first portion 302a of the peripheral frame 302 in a downward direction, and provided at a predefined angle from corresponding end of the first portion 302a of the peripheral frame 302, where the third portion 302c of the peripheral frame 302 is adjacent to a passenger side front wheel (not shown) of the vehicle. It is also within the scope of the invention to provide the third portion 302c of the peripheral frame 302 to be transversely extending from corresponding end of the first portion 302a of the peripheral frame 302.
• the fourth portion 302d of the peripheral frame 302 is transversely extending between corresponding end of the second portion 302b and the third portion 302c of the peripheral frame 302 along the widthwise direction of the vehicle, where the fourth portion 302d of the peripheral frame 302 is adjacent to a lower portion of the vehicle bumper B.
• the plurality of cross links 306 including the plurality of first cross links 306a, the plurality of second cross links 306b and the plurality of third cross links 306c substantially defines a leaf shape configuration.
• the plurality of second cross links 306b and the plurality of third cross links 306c are substantially parallel to each other.
• At least another portion of the second portion 302b of the peripheral frame 302, at least another portion of the third portion 302c of the peripheral frame 302, the fourth portion 302d of the peripheral frame 302, at least another portion of the first longitudinal link 304a, the second longitudinal link 304b, the plurality of second cross links 306b and the plurality of third cross links 306c are disposed at a predefined angle from a vertical plane of the grill 300, where the vertical plane is substantially parallel to the first cross links 306a.
• FIG. 11 depicts a graph plot between acceleration (g) on y- axis and time (seconds) on x-axis of the conventional grill and the grill (100, 200 and 300), according to the embodiments (first, second and third embodiment) of the invention as disclosed herein.
• the acceleration value of the grill (100, 200 and 300) is lesser than the acceleration value of the conventional grill.
• the acceleration value of the grill (100, 200 and 300) complies with the acceleration values of pedestrian norms.
• FIG. 12 depicts a graph plot between knee bending angle (degrees) on y-axis and time (seconds) on x-axis of the conventional grill and the grill, according to the embodiments (first, second and third embodiment) of the invention as disclosed herein.
• the knee bending angle value of the grill (100, 200 and 300) is lower than the knee bending angle of the conventional grill.
• the knee bending angle of the grill (100, 200 and 300) complies with the knee bending value of pedestrian norms.
• a grill (100, 200 and 300) for a vehicle bumper B is provided for a vehicle.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Body Structure For Vehicles (AREA)
• Vibration Dampers (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=61016606

Family Applications (1)

Country Status (4)

Cited By (1)

Citations (5)

Family Cites Families (3)

• 2017
  • 2017-05-17 WO PCT/IN2017/050181 patent/WO2018020508A1/en unknown
  • 2017-05-17 BR BR112019001754-2A patent/BR112019001754A2/pt not_active Application Discontinuation
  • 2017-05-17 EP EP17833708.5A patent/EP3490848A4/en not_active Withdrawn
• 2019
  • 2019-01-28 CL CL2019000218A patent/CL2019000218A1/es unknown

Patent Citations (5)

Non-Patent Citations (1)

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