51results about How to "Suppress impact" patented technology

The invention is a suspension system, typically for use between a cab and a truck frame, includes a strut module having a strut and an air spring, and a control module, connected to a source of pressurized air, for sensing a distance between the cab and truck frame and selectively pressurizing the air spring in response to changes in that distance. Preferably, the strut is a McPherson-type strut and the air spring encloses at least a portion of the strut to provide a compact assembly and includes a three point connection to the cab and frame to resist relative lateral movement between the cab and frame. The strut also preferably is a magnetorheological-type damper so that the control module can adjust the damping characteristics of the strut to optimize rider comfort.

A liquid-sealed vibration-isolating device capable of suppressing the occurrence of noise while securing low dynamic spring properties when vibration with a rather small amplitude is inputted and high-attenuation characteristics when vibration with a rather large amplitude is inputted. When the vibration with the rather large amplitude is inputted, the high-attenuation characteristics can be provided by restricting the displacement of an elastic partition membrane (15) by the displacement restriction ribs (17b) of a first holding member (17). Since the displacement restriction ribs (17b) are formed of three radially extended straight ribs, the low dynamic spring properties can be securely provided by sufficiently increasing the opening area of an opening part (17a). Also, since the displacement restricting projections (51) of the elastic partition membrane (15) are disposed at positions corresponding to the displacement restriction ribs (17b), the occurrence of noise can be securely suppressed.

A stator includes: a plurality of divided cores disposed to have a ring shape; a stator winding troidally wound on the stator; and a holding member that holds the divided cores in the ring shape. Each of the divided cores includes: a bobbin part for the stator winding; a yoke extending from the bobbin part in the circumferential direction; a connection part extending from the yoke outwardly in a radial direction with a connection face that is connected to the holding member; and a tooth extending from the yoke inwardly. The connection part has a magnetic gap to increase a magnetic resistance in a path of magnetic flux, generated by the stator winding, leaked to the holding member through the connection face. The magnetic gap is a notch or a weld.

Memory circuitry 2 includes a memory cell 12 coupled to a plurality of bit line pairs 18, 24 providing multiple access ports. Write boost circuitry 36 serves to increase a write voltage applied to write a data value into the memory cell during at least a boost period of a write access. Collision detection circuitry 10 detects when the write access at least partially overlaps in time with a read access. If a collision is detected, then write assist circuitry serves to drive the bit line pair of the detected read access with a write assist voltage difference having the same polarity as the write voltage and a magnitude less than the write voltage with the boost voltage applied. The write assist circuitry drives the bit line pair of the colliding read independently of the write boost circuitry applying the boost voltage such that the boost voltage is undiminished by the action of the write assist circuitry.

In one surface of a semiconductor substrate, an n− layer, a p base layer, a p well layer, another p well layer, a channel stopper layer, an emitter electrode, a guard ring electrode, and a channel stopper electrode for example are formed. In the other surface of the semiconductor substrate, an n+ buffer layer, a p+ collector layer, and a collector electrode are formed. In a curved corner of the p well layer, a p low-concentration layer having a lower impurity concentration than the impurity concentration of the p well layer is formed from the surface to a predetermined depth.

[Problem] To provide an electric power steering device that: constitutes a control system on the basis of a physical model; constitutes model-following control whereby output (distance to a rack end) of a control target follows a reference model; suppresses the occurrence of noise at end contact, without providing any unusual steering sensation to the driver; and suppresses end contact. [Solution] An electric power steering device that performs assist control of a steering system by calculating a current command value on the basis of at least steering torque and driving a motor on the basis of the current command value, said electric power steering device: constituting model-following control having a viscoelastic model as a reference model within a prescribed angle range just before the rack end; and suppressing rack end end contact.

A stator includes: a plurality of divided cores disposed to have a ring shape; a stator winding toroidally wound on the stator; and a holding member that holds the divided cores in the ring shape. Each of the divided cores includes: a bobbin part for the stator winding; a yoke extending from the bobbin part in the circumferential direction; a connection part extending from the yoke outwardly in a radial direction with a connection face that is connected to the holding member; and a tooth extending from the yoke inwardly. The connection part has a magnetic gap to increase a magnetic resistance in a path of magnetic flux, generated by the stator winding, leaked to the holding member through the connection face. The magnetic gap is a notch or a weld.

A sports helmet for preventing or minimizing head concussions comprising an outer shell and a gas bladder inflated with a gas and secured interiorly of the shell. A pressure relief valve associated with the gas bladder exhausts gas contained in the gas bladder in response to a threshold pressure being realized in the gas bladder in response to the head of the person wearing the sports helmet experiencing an impact.

A concentric, double hull, damage tolerant airframe vehicle double clad with a lightweight, impact resistant ceramic matrix composite for heat shielding and flame resistance, and fitted with insulation, to provide thermal protection from 35° C. to 1,650° C. of the internal fuselage areas for an extended period of time within an extreme heat environment, that will serve as a semi or fully autonomous vehicle, manned or unmanned, preferably an unmanned aerial vehicle designed as the delivery means to suppress or extinguish flames by repeatedly discharging pressure waves against flames without having to exit the fire environment.

A drive transmission apparatus in which, when immobilization of a preceding gear (21) by a solenoid (22) is canceled, an urging portion urges the preceding gear (21) to rotate in a direction in which the preceding gear (21) meshes with an input gear (24) which rotates at a constant velocity. An interlocking portion causes an output gear (20) to mesh with the input gear (24) in association with the rotation of the preceding gear (21), to rotate the output gear (20) at a low velocity, and to rotate the output gear (20) at a high velocity when the output gear (20) rotates by a predetermined amount.

A focal plane shutter includes: a board including an opening; a drive lever swingably supported by the board, biased from a start end to a terminal end of a swingable range by a drive spring, and driving blades opening and closing the opening; and a set member rotating in a first direction to position the drive lever at the start end, and then rotating in a second direction.

In a chain transmission in which a roller chain transmits power from a driving sprocket to one or more driven sprockets, the sprocket teeth are shaped so that at a location radially outward from the sprocket pitch circle, the distance between the front surface of each sprocket tooth to a radial reference line from the sprocket center through the center of the tooth root, is at least as great as the distance from the centerline to the front tooth surface at the pitch circle. The tooth faces merge smoothly with the tooth gap bottom, the sprocket root diameter is smaller than the root diameter according to ISO standards, and the radius of the arcuate tooth gap bottom is greater than the radius of the chain roller.

Provided is a semiconductor device using a lead frame, in which an outer lead (5) is electrically connected to an inner lead suspension lead (3) via an inner lead, and hence a plated film is also formed on an outer lead cut surface (11) so that a solder layer is easily formed on all of surfaces of the outer lead extending from an encapsulating resin (10). Further, the inner lead suspension lead (3) includes a first narrowed portion (12a), which can suppress impact to be generated when the inner lead suspension lead is cut.

In a power transmission shaft including a rear-side shaft having a male spline joint portion formed on the outer periphery of a front end of the rear-side shaft and a tubular front-side shaft having a female spline joint portion formed on the inner periphery of a rear end of the tubular front-side shaft, a seal ring is housed in a seal housing groove configured at the rear end of the tubular front-side shaft. The seal ring is interposed between an outer peripheral seal surface of the rear-side shaft and an inner peripheral surface of the seal housing groove with a compressive deformation. Additionally, the seal ring is sandwiched and retained between the inside wall surface of the seal housing groove and the inside end face of a disk-shaped retainer part of a retainer press-fitted to the rear end of the tubular front-side shaft.

A drive transmission apparatus in which, when immobilization of a preceding gear (21) by a solenoid (22) is canceled, an urging portion urges the preceding gear (21) to rotate in a direction in which the preceding gear (21) meshes with an input gear (24) which rotates at a constant velocity. An interlocking portion causes an output gear (20) to mesh with the input gear (24) in association with the rotation of the preceding gear (21), to rotate the output gear (20) at a low velocity, and to rotate the output gear (20) at a high velocity when the output gear (20) rotates by a predetermined amount.

The invention relates to a storage cargo outlet method for a storage rack, which is characterized in that a storage plate for storing cargos is inclined so that the surface of the storage plate becomes an inclined surface, the bottom of the inclined surface is provided with a position limiting element used for preventing the cargos from downwards sliding, the cargos are placed on the inclined storage plate, and the cargos are arranged at the inclined surface above the position limiting element one by one, when the cargo delivery is needed, the cargos to be outlet tightly leaning on the position limiting element are firstly lifted, in addition, the cargos are higher than the position limiting element, the cargos exceed the position limiting element under the gravity effect of the cargos above the inclined surface and slide out of the storage plate in inclined arrangement, and the subsequent cargos slide to the position limiting element and are blocked on the storage plate in inclined arrangement by the position limiting element. The storage rack comprises a support frame, wherein the storage plate is connected onto the support frame and is in inclined arrangement, the position limiting element is arranged on the storage plate and is positioned at the downstream part of the storage plate in the inclined arrangement, a through hole is arranged on the storage plate and is adjacent to the position limiting element, and a lifting mechanism is arranged under the through hole.

In a power transmission shaft including a rear-side shaft having a male spline joint portion formed on the outer periphery of a front end of the rear-side shaft and a tubular front-side shaft having a female spline joint portion formed on the inner periphery of a rear end of the tubular front-side shaft, a seal ring is housed in a seal housing groove configured at the rear end of the tubular front-side shaft. The seal ring is interposed between an outer peripheral seal surface of the rear-side shaft and an inner peripheral surface of the seal housing groove with a compressive deformation. Additionally, the seal ring is sandwiched and retained between the inside wall surface of the seal housing groove and the inside end face of a disk-shaped retainer part of a retainer press-fitted to the rear end of the tubular front-side shaft.

A buffer chamber (71) is connected to the outlet port (33) of an expansion mechanism (60). The buffer chamber (71) is formed in the shape of a cylinder extending in the direction of the flow of a cooling medium, and has a cross-sectional area greater than that of the outlet port (33). A rectifying plate (75) having a mesh section (75a) of a circular shape is provided inside the buffer chamber (71). The variation of pressure is relieved by the supply of pressure and the absorption of pressure by the buffer chamber (71), and also drops of the cooling medium are fined when they are passed through the plate (75).

In a chain transmission in which a roller chain transmits power from a driving sprocket to one or more driven sprockets, the sprocket teeth are shaped so that at a location radially outward from the sprocket pitch circle, the distance between the front surface of each sprocket tooth to a radial reference line from the sprocket center through the center of the tooth root, is at least as great as the distance from the centerline to the front tooth surface at the pitch circle. The tooth faces merge smoothly with the tooth gap bottom, the sprocket root diameter is smaller than the root diameter according to ISO standards, and the radius of the arcuate tooth gap bottom is greater than the radius of the chain roller.

A stabilized course sand bunker and method of making the same is disclosed. The soil making up the bunker is contoured and stabilized so that it is in the form of a pit having a downward angularly extending keyway surrounding the opening at the top edge of the pit. A semi-solid precursor material is applied over the pit and keyway and allowed to cure to form a barrier liner having a flanged anchoring portion for location under some additional soil and turf grass. Bunker sand is disposed over the barrier liner. The barrier liner when cured enables water in the bunker to pass through it, is sufficient flexible to dampen and absorb the impact of a golf ball strike, all the while stabilizing and protecting the edge of the bunker where the turf grass meets the sand in the bunker.

In one surface of a semiconductor substrate, an n− layer, a p base layer, a p well layer, another p well layer, a channel stopper layer, an emitter electrode, a guard ring electrode, and a channel stopper electrode for example are formed. In the other surface of the semiconductor substrate, an n+ buffer layer, a p+ collector layer, and a collector electrode are formed. In a curved corner of the p well layer, a p low-concentration layer having a lower impurity concentration than the impurity concentration of the p well layer is formed from the surface to a predetermined depth.

The disclosure discloses a printer including an opening / closing lid, a first spring member, and a second spring member. The second spring member is separated from the opening / closing lid without applying an urging force in the closing direction to the time the opening / closing lid has pivoted from a closed state by a first predetermined angle and comes into contact with the opening / closing lid to apply the urging force when the opening / closing lid has pivoted from the closed state in the opening direction by the first predetermined angle. The opening / closing lid comprises a contacting part configured to be separated from a contacted part of the housing in the closed state, and to come into contact with the contacted part from the time the opening / closing lid has pivoted from the closed state by a second predetermined angle to the time the opening / closing lid has pivoted by a third predetermined angle.

Disclosed is a battery pack that is mountable in a vehicle. The battery pack includes a plurality of battery modules, and a battery case that accommodates the battery modules. The battery case includes a first frame, a second frame provided across the battery modules from the first frame, and a connection portion that connects the first frame and the second frame. The second frame is provided with a protrusion that protrudes in a direction from the first frame toward the second frame.

A control / monitor signal transmission system that employs a transmission synchronization scheme in which a master station connected to a single control unit and a plurality of slave stations corresponding to a plurality of controlled apparatuses synchronize with each other through a transmission clock and data is transmitted therebetween over a common data signal line, a transmission line disconnection detection method that enables a disconnection of a transmission line to be detected precisely; and a slave station that is used for this method. A continuous pulse signal that the master station outputs to the common data signal line is provided with a management data region that includes a plurality of pulse signals and that differs from a control / monitor data region including data of a control data signal and data of a monitor data signal.