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Otics Corporation patents


Recent patent applications related to Otics Corporation. Otics Corporation is listed as an Agent/Assignee. Note: Otics Corporation may have other listings under different names/spellings. We're not affiliated with Otics Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Otics Corporation-related inventors


Housing for turbocharger and method for manufacturing the same

A housing for a turbocharger is dividedly formed of at least a scroll piece and a shroud piece, including a refrigerant flow path for cooling a diffuser surface. The refrigerant flow path is composed of an annular space defined by a first flow-path formation part of the scroll piece and a second flow-path formation part of the shroud piece, which are formed respectively in each opposing part of the scroll piece and the shroud piece facing each other. ... Otics Corporation

Variable valve mechanism of internal combustion engine

In a variable valve mechanism, during switching from a disconnected state to a connected state, the switch arm being displaced in a return direction comes in sliding contact with a pin end surface of the switch pin, and presses the pin end surface toward the disconnected position to push back the switch pin. At a sliding contact start time, the switch arm sliding contacts a portion of the pin end surface on a return direction side with respect to an idle-swing-side edge. ... Otics Corporation

Variable valve mechanism of internal combustion engine

A variable valve mechanism includes a rocker arm including a first input arm, a second input arm, and an output arm, and a switch device that switches an operating state to a first state by coupling only the first input arm to the output arm, and switches the operating state to a second state by coupling only the second input arm to the output arm. The switch device includes two pins that are displaceably placed in the rocker arm and contact each other at their end faces, and a displacement device that switches the operating state to the first state by displacing a contact portion between the two pins to between the output arm and the second input arm, and switches the operating state to the second state by displacing the contact portion between the two pins to between the output arm and the first input arm.. ... Otics Corporation

Variable valve mechanism of internal combustion engine

A variable valve mechanism includes an input arm that axially supports a roller pressed by a cam, via a roller pin, an output arm that drives a valve when swinging, a switch device that switches the variable valve mechanism between a coupled state where the both arms are coupled and an uncoupled state where the arms are uncoupled from each other, and a lost motion spring that biases the roller against the cam when in the uncoupled state. The lost motion spring includes an extended portion extending in an inter-arm clearance between the input arm and the output arm. ... Otics Corporation

Rocker arm and method of manufacturing the rocker arm

Providing a rocker arm which can ensure the durability while reducing the inertial mass. The rocker arm (10) includes a valve abutment part (15) pressing a valve (80). ... Otics Corporation

Variable valve mechanism of internal combustion engine

A variable valve mechanism includes a variable arm including a first arm and a second arm. The second arm is pivotally supported so as to be swingable by a support shaft. ... Otics Corporation

Bearing structure of turbocharger

A bearing structure of a turbocharger includes a rotor shaft, a ball bearing, and a housing. An inner ring of the ball bearing has the rotor shaft inserted therein. ... Otics Corporation

Variable valve mechanism of internal combustion engine

A variable valve mechanism includes a first cam and a second cam, a main arm that drives a valve when swinging, a first sub arm that swings when pressed by the first cam, a second sub arm that swings when pressed by the second cam, and a switch device. The switch device includes a first switch pin that moves between a first coupled position between the main arm and the first sub arm and a first uncoupled position, and a second switch pin that moves between a second coupled position between the main arm and the second sub arm and a second uncoupled position. ... Otics Corporation

Rocker arm

A rocker arm includes a roller, a support shaft coaxially mounted in the roller, walls arranged along a rotation axis and having the roller therebetween and having through holes, respectively, through which end portions of the support shaft are inserted, and each of the walls having an inner surface opposite the roller, and holding members mounted in the respective walls. The holding member includes a tubular portion mounted in each through hole and disposed between an inner peripheral surface of the through hole and an outer surface of an end portion of the support shaft, a first stopper portion included at a first end of the tubular portion to be in contact with the inner surface of one of the walls, and a second stopper portion included at a second end of the tubular portion to be in contact with an end surface of one of the end portions.. ... Otics Corporation

Rocker arm

A rocker arm includes a roller, a support shaft coaxially mounted in the roller and having a first end portion and a second end portion, walls including at least a first wall and a second wall arranged along the rotation axis and opposite each other with having the roller therebetween, the first wall having a first through hole through which the first end portion is inserted and the second wall having a second through hole through which the second end portion is inserted, and plate portions including at least a first plate portion and a second plate portion arranged opposite each other with having the first wall, the second wall and the support shaft therebetween. The first plate portion is in contact with a first end surface of the first end portion and the second plate portion is in contact with a second end surface of the second end portion.. ... Otics Corporation

Bearing structure of turbocharger

A bearing structure of a turbocharger includes a rotor shaft, two angular ball bearings, a retainer, a housing, and an oil film damper. Each of the angular ball bearings includes an inner ring and an outer ring that are supported in relatively rotatable manner. ... Otics Corporation

Rocker arm and method of manufacturing the same

A rocker arm includes a pair of sidewalk disposed along a heightwise direction so as to be opposed to each other. The sidewalk define a space to house a roller and have opposed portions extending in the heightwise direction relative to adjacent portions which are adjacent to the opposed portions. ... Otics Corporation

Variable valve mechanism of internal combustion engine

A variable valve mechanism of an internal combustion engine includes an outer arm, an inner arm, a switching device that switches between a coupled state and a non-coupled state, and a lost motion spring. The lost motion spring has an extending portion extending from the outside of the space to the inside of the space. ... Otics Corporation

Roller lifter and method of manufacturing the same

A roller lifter includes a lifter body having a cylindrical peripheral wall and a roller rotatably mounted on the lifter body via a shaft member and brought into contact with a cam. The peripheral wall has an outer periphery formed with a sliding surface which is slid on an inner wall of a cylinder. ... Otics Corporation

08/03/17 / #20170218795

Variable valve mechanism of internal combustion engine

A variable valve mechanism of an internal combustion engine includes a cam, a transmission mechanism, a first variable device that controls the transmission mechanism to continuously change at least a maximum lift amount of a lift curve indicating a lift amount of a valve that corresponds to a rotation angle of the internal combustion engine, and a second variable device that controls the transmission mechanism to continuously change at least an operation angle of the lift curve. When the lift curve lies in any condition within a predetermined range that covers all or part of a variable range of the lift curve, an absolute value of a ratio of a maximum lift amount variation to an operation angle variation for a slight change from the condition caused by the first variable device is larger than that for a slight change from the condition caused by the second variable device.. ... Otics Corporation

08/03/17 / #20170218794

Variable valve mechanism of internal combustion engine

A variable valve mechanism of an internal combustion engine includes a camshaft having a general shaft part and a cam part arranged next to each other in an axial direction, an input arm that swings when pressed by the cam part, an output arm that is swingably mounted and that drives a valve when swinging, and a switch device that switches the variable valve mechanism between a coupled state where the input arm and the output arm are coupled to swing together and an uncoupled state. The output arm has a great height so that clearance between the output arm and the general shaft part is 3 mm or less when the variable valve mechanism is in the coupled state and the valve is closed. ... Otics Corporation

07/06/17 / #20170191384

Roller lifter

An object is to provide a roller lifter which can maintain a proper dimensional accuracy of an outer diameter. A shaft (25) rotatably supporting a roller (30) is inserted through a pair of opposed portions (21) and swaged to be fixed. ... Otics Corporation

06/01/17 / #20170151608

Method for producing compressor housing

A compressor housing is constructed by assembling a scroll piece and a shroud piece. The scroll piece includes an inlet cylindrical portion, a front side wall section, and an outlet cylindrical portion in which the inner wall surface of the outlet communicating section is curved to connect an inner wall surface of a scroll chamber and that of an outlet port. ... Otics Corporation

04/13/17 / #20170100766

Method of manufacturing pipe member

A method of manufacturing a pipe member includes arranging a pre-pipe member between first and second dies, moving one of the first and second dies to be closer to another one and holding the pre-pipe member with first and second recess portions, by the moving of the one of the first and second dies, and pressing an outer peripheral surface of the pre-pipe member with first and second inner surfaces in a closed state of the dies. By the pressing of the outer peripheral surface of the pre-pipe member, reducing a diameter of a portion of the pre-pipe member and forming a reduction portion having a polygonal shape so that the reduction portion has a same number of outer surfaces as a total number of the first inner surfaces and the second inner surfaces.. ... Otics Corporation

02/23/17 / #20170051637

Lifter

A lifter includes a roller caused to abut against a cam thereby to be pressed and a lifter body rotatably supporting the roller and housed in a guide hole of a lifter guide so as to be reciprocable in the guide hole. The lifter body includes a cylindrical part and a rotation stopper. ... Otics Corporation








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