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Class 180/69.22 - With noise suppression means


Subclass of Class 180 - Motor vehicles
Definition: Power plant covers wherein the cover is provided with means
No. of patents: 33
Last issue date: 10/12/2010


NumberTitleIssue Date
7810598Engine cover
An engine cover which can improve the assembly work and prevent noise generated at a joint between divisional bodies is provided. A first divisional body of the engine cover includes a first cover main body and a first mounting end portion provided to one end portio...
10/12/2010
7384094Grille overslam bumper integrated with secondary release handle
A vehicle hood closure control and release system including a hood release mounted to a vehicle frame. The hood release may include a pivotally mounted hood release handle pivotable for unlatching a vehicle hood having a grille mounted thereon. A bumper may be integ...
06/10/2008
7204047Compact excavator
A compact excavator includes an upper rotating body mounted rotatably on a lower traveling body, an engine arranged on a rear section of the upper rotating body in a state where a drive shaft thereof is oriented in a horizontal direction, an hydraulic pump connected...
04/17/2007
7201253Soundproofing assembly and a part comprising a wall which if covered with said assembly
A soundproofing assembly intended, in particular, to soundproof a motor vehicle. The inventive assembly includes four stacked layers, consisting respectively of: a first layer having an air resistance of between 500 and 2,000 N·m−3.s; a second porous, acoustic sp...
04/10/2007
7163073Air inlet conduit for a cooler of a vehicle
An air inlet conduit for a cooler of a vehicle has an air conduction scoop inserted into an opening of a vehicle body skin part on its air inlet side. The air inlet conduit is supported by way of a surrounding collar section on an exterior side of the vehicle body s...
01/16/2007
7150496Panel structure for car body hood
A hood structure comprises an outer and an inner which form a closed cross section through spaces. The inner's cross-sectional shape is a sine curve, an nth-power-raised sine curve, or a spline curve having a corrugation length approximate to an outside head diamete...
12/19/2006
7140640Motor vehicle having a modular structure and a method for assembling it
A motor vehicle comprises a pre-assembled front module (1) including a support structure (2); a propulsion unit (14); a steerable front wheel assembly (17); an intermediate support structure (20) for housing and supporting a windsc...
11/28/2006
7104350Large vehicle hood or trunk lid bodyshell element
In order to protect pedestrians in the event of a collision with a motor vehicle, a bodyshell element forming a hood or trunk lid has at least one edge area with an outer part isolated from a support structure, in such a way that the outer part creates an energy-abs...
09/12/2006
6983822Sound absorptive protective mat
The present invention concerns an automotive protective mat (1), also known as throw in mat or protective mat. This mat comprises a microporous stiffening layer (2) (acoustical membrane). This layer may be composed of several sheets. The overall air fl...
01/10/2006
6923496Anti-flutter bumper for hood mounted grilles
A bracket/pad anti-flutter grille bumper attached to a motor vehicle frame or front bumper to reduce the vibrations of a hood-mounted grille resulting from road forces or from slamming the hood shut. Alternative mounting of the bracket on an impact absorbing and col...
08/02/2005
6719078Ventilable silencer unit for vehicles
A box type silencer unit includes a ventilation portion, a silencer portion adjacent to the ventilation portion, and a dividing partition located between the ventilation portion and the silencer portion. The ventilation portion is formed of a ventilating passage ope...
04/13/2004
6640918Hood mounting system for mobile vehicle
A hood mounting system and a mobile vehicle with this system installed provides improved sound dampening for the hood of the vehicle. The hood mounting system includes two lower hood brackets and one upper cowl guide mounted to the cowl or forward portion...
11/04/2003
6491133Soundproof type engine driven work machine
The soundproof casing is divided to an engine room (1), a muffler room (2) and a radiator room (3). The engine room (1) includes the engine E and a work machine unit (generator unit G). The muffler room (2) includes mufflers M1, M2. The radiator room incl...
12/10/2002
6378640Device and method to hold sound insulation in vehicle hood
A spring designed to be mounted adjacent and in conformance with a convex or concave surface that has varying radii of curvature. The stiffness against bending of the spring varies along its longitudinal axis. The stiffness against bending of various port...
04/30/2002
6089650Sound attenuating enclosure for a machine
A sound attenuating enclosure for a portable machine includes a lower body having an inner skin and an outer skin spaced apart from the inner skin. The lower body is adapted for having the portable machine mounted therein and also includes one or more whe...
07/18/2000
5816351Cooling structure for construction machines
A cooling structure for a construction machine is disclosed to minimize the occurrence of a turbulent flow of air, provide a better cooling ability, and reduce surroundings noise. A recess is formed in a portion of an engine cover above a front portion of...
10/06/1998
5704643Utility vehicle
In a utility vehicle, a muffler accommodating chamber is defined in front of and below an engine mounted at a front portion of a vehicle frame. A rear wall of the muffler accommodating chamber is formed by a front axle frame which is mounted to extend bet...
01/06/1998
5682667Method for preventing damage to an overslam bumper pocket
In accordance with the teachings of the present invention, a vehicle hood including fiber reinforced plastic (FRP) panels is provided. The vehicle hood includes a fiber reinforced plastic hood outer panel bonded to a fiber reinforced plastic hood inner pa...
11/04/1997
5478098Air intake device for automotive engine
An air intake device for introducing air into an engine includes an intake duct, part of which is disposed in a space defined by a front wheel apron forming an inner wall of an engine compartment, and a front fender for forming an outer wall of a vehicle ...
12/26/1995
5228530Muffler system for an engine disposed rearwardly of a vehicle
A lawn mower having a driver's seat mounted on a vehicle body, an engine mounted rearwardly of the driver's seat, a radiator and a radiator fan disposed between the driver's seat and engine, an engine hood for covering the engine and radiator, and a muffl...
07/20/1993
5149169Seal structure for the engine hood of a motor vehicle
A seal structure for sealing a gap between a front edge of an engine hood of a slant-nose type motor vehicle and an upper edge of a head lamp thereof. At the upper edge of the head lamp, there is provided a projection having a upwardly and rearwardly incl...
09/22/1992
4646864Integral silencer pad and water deflector
An engine compartment sound and water shield pad fabricated of a material which provides sound and vibration control and which has an integrally formed waterproof drain tray portion. The pad is particularly suited to be carried on the underside of a vehic...
03/03/1987
4629022Hoodscoop and method for attaching the same
A hoodscoop assembly includes a plastic hoodscoop disposable on a vehicle hood, a noise-reducing tape disposable between the hoodscoop and the vehicle hood, and means for fastening the hoodscoop to the hood. Preferably the attachment of the hoodscoop to t...
12/16/1986
4610326Air cooling arrangement for encapsulated vehicle engine
A water-cooled internal combustion engine powering the vehicle is mounted in an engine compartment comprising a sound-insulating capsule. Independent of and additionally to any possible blower ventilation of the capsule at least one separate inlet opening...
09/09/1986
4562895Motor vehicle engine cooling arrangement
An internal combustion engine powering a motor vehicle is provided with a separate exhaust casing which is located within an engine compartment developed into a sound-insulating capsule, and is designed as a roof-type cover without a bottom shielding at l...
01/07/1986
4445584Motor vehicle equipped with engine noise emission preventing device
A motor vehicle comprising a power unit including an internal combustion engine, a radiator and a transmission, a sound insulating cover located below the power unit, and connecting plate members which securely connect the sound insulating cover to the bo...
05/01/1984
4343374Muffler mounting structure
A stack (14) is attached to extend upwardly from a hood (12) in surrounding relation about a muffler (18). A sleeve structure (28) surrounds and holds the muffler (18). One or more tabs (30, 32, 34) extend generally outwardly from the sleeve structure (28...
08/10/1982
4335797Noise suppression arrangement for engine enclosures
An engine enclosure (10) has a noise suppression arrangement (15,15a,15b) mounted thereon including a plurality of acoustical energy absorbers (20,20a,20b) and sound reflectors (24,24a,24b) spaced from the absorbers to provide airflow passages (26,26a,26b...
06/22/1982
4260037Assembly for silencing engine cooling fan noise
A sound absorbing and attenuating panel is located at one end of an engine compartment for silencing the noise generated by an engine cooling fan located in the compartment. The panel includes a first set of laterally spaced, vertically extending silencin...
04/07/1981
4141427Motor vehicle with a noise suppressing engine encapsulation
A motor vehicle with an internal combustion engine supported on two longitudinal subframe beams of the vehicle and provided with a noise-suppressing engine encapsulation consisting of a hood supported by the vehicle frame and including substantially perpe...
02/27/1979
4114714Motor vehicle having sound-suppressing engine enclosure
A motor vehicle with a soundproof encapsulated engine-gearbox unit, wherein the two subframe beams of the vehicle and/or further parts of the vehicle frame and the vehicle body form supplementary integral members of an allround fully closed soundproof enc...
09/19/1978
4029969Method and device for suppressing noise radio waves in motor vehicle having ignition type engine
A method of and a device for suppressing the leakage of radio waves radiated from a vehicle by using a bonding means which connects the opposing body portions in the positions of interstices which show the minimum leakage of radio waves therethrough when ...
06/14/1977
3960238Sound attenuating engine enclosure
An engine enclosure is disclosed having improved sound attenuating capabilities. The enclosure includes side panels, a front and rear and top and bottom thereof which define the engine area. Doors in the side panels permit access to the engine compartment...
06/01/1976
 
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