Hydraulic retarder having a fluid filled casing with a rotor operating clutch disposed therein
First Claim
1. A hydraulic retarder for a vehicle, comprising:
- a casing fixed to vehicle body members and unrotatable with respect thereto;
an operational fluid filled within said casing;
stator means disposed in and secured to said casing;
rotor means disposed in said casing, said rotor means being rotatable with a rotational shaft of the vehicle;
clutch means disposed in said casing for rotating said rotor means;
plunger means slidably penetrating through said casing with fluid sealably; and
drive means disposed outside said casing for engaging said clutch means through said plunger means;
said drive means comprising;
a cover disposed outside the casing and securing to said casing to cover the outer peripheral portion of said casing;
a piston member mounted between said casing and said cover, an inner peripheral part of said piston member being press fitted on an outer end portion of said plunger, said piston member being slidably fitted on said cover through a seal member; and
a diaphragm being sealably and flexibly adhered onto an outer peripheral portion of said piston member.
1 Assignment
0 Petitions
Accused Products
Abstract
A hydraulic retarder including a rotor vane fixable to a rotational shaft rotating with vehicle wheels to relatively be unrotatable with respect thereto, a stator vane substantially unrotatable with respect to the vehicle body, and a clutch apparatus for engaging the rotational shaft with and disengaging same from the rotor vane. The clutch apparatus is provided with a plurality of clutch plates which are engaged with the rotational shaft to be axially slidable and alternately provided among a plurality of pressure plates. The rotor vanes, stator vanes and clutch apparatus is accommodated in a casing secured to the vehicle body parts within which an operation fluid is filled. The hydraulic retarder of the invention further includes plungers disposed spaced apart from one another and penetrating through the casing with fluid sealingly and located at an end of the support member. A drive apparatus disposed outside the casing for actuating the clutch apparatus by depressing the plunger into the casing.
12 Citations
16 Claims
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1. A hydraulic retarder for a vehicle, comprising:
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a casing fixed to vehicle body members and unrotatable with respect thereto; an operational fluid filled within said casing; stator means disposed in and secured to said casing; rotor means disposed in said casing, said rotor means being rotatable with a rotational shaft of the vehicle; clutch means disposed in said casing for rotating said rotor means; plunger means slidably penetrating through said casing with fluid sealably; and drive means disposed outside said casing for engaging said clutch means through said plunger means; said drive means comprising; a cover disposed outside the casing and securing to said casing to cover the outer peripheral portion of said casing; a piston member mounted between said casing and said cover, an inner peripheral part of said piston member being press fitted on an outer end portion of said plunger, said piston member being slidably fitted on said cover through a seal member; and a diaphragm being sealably and flexibly adhered onto an outer peripheral portion of said piston member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A hydraulic retarder for a vehicle, comprising:
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a casing fixed to vehicle body members and unrotatable with respect thereto; an operational fluid filled within said casing; stator means disposed in and secured to said casing; rotor means disposed in said casing, said rotor means being rotatable with a rotational shaft of the vehicle; clutch means disposed is said casing for rotating said rotor means; plunger means slidably penetrating through said casing with fluid sealably; drive means disposed outside said casing for engaging said clutch means through said plunger means; a plurality of clutch plates connected to the rotational shaft of the vehicle and rotating therewith; a plurality of pressure plates disposed alternately among said clutch plates, an end one of said pressure plates receiving a pressure of said plunger means; a support member for supporting said pressure plates, said support member and said flange of said rotor vanes being formed as a unitary structure, said support member being rotatably supported on said casing; said pressure plates and support member of said clutch means rotating with respect to said casing with said rotational shaft of the vehicle through a bearing means when said pressure plates are engaged with said clutch plates rotating with the rotational shaft; said bearing means comprising a first bearing having an inner ring and an outer ring and a second bearing having an inner ring and an outer ring; and said outer ring of said first bearing being fitted on said pressure plate while said inner ring of said first bearing is fitted on said casing, and said outer ring of said second bearing being fitted on said casing while said inner ring of said second bearing is fitted on said pressure plate.
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16. A hydraulic retarder for a vehicle, comprising:
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a casing fixed to vehicle body members and unrotatable with respect thereto; an operational fluid filled within said casing; stator means disposed in and secured to said casing; rotor means disposed in said casing, said rotor means being rotatable with a rotational shaft of the vehicle; clutch means disposed is said casing for rotating said rotor means; plunger means slidably penetrating through said casing the fluid sealably; drive means disposed outside said casing for engaging said clutch means through said plunger means; a plurality of clutch plates connected to the rotational shaft of the vehicle and rotating therewith; a plurality of pressure plates disposed alternately among said clutch plates, an end one of said pressure plates receiving a pressure of said plunger means; a support member for supporting said pressure plates, said support member and said flange of said rotor vanes being formed as a unitary structure, said support member being rotatably supported on said casing; said pressure plates and said support member of said clutch means rotating with respect to said casing with said rotational shaft of the vehicle through a bearing means when said pressure plates are engaged with said clutch plates rotating with the rotational shaft; said bearing means comprising a first bearing having an inner ring and an outer ring and a second bearing having an inner ring and an outer ring; and said inner ring of said first bearing being fitted on said pressure plate while said outer ring of said first bearing is fitted on said casing, and said inner ring of said second bearing being fitted on said casing while said outer ring of said second bearing is fitted on said pressure plate.
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Specification