Abstract: A gas adsorption amount measurement device, which is an example of an embodiment of the present invention, comprises at least one sample tube, a reference tube, and a control unit. The control unit is configured to measure, using adsorption gas, reference volumes Vdst,ads of a free space of the sample tube not having a sample and reference volumes Vdref,ads of a free space of the reference tube, respectively and to calculate a gas adsorption amount of the sample using the reference volumes Vdst,ads, Vdref,ads.

Abstract: This true density measurement device is a device that is used to measure the true density of a sample by a gas phase substitution method, and is provided with: a sample chamber for accommodating the sample, the sample chamber being pressurized through the introduction of an inert gas; and an expansion chamber into which is released the inert gas filling the sample chamber. The expansion chamber under conditions of normal use, is opened and closed by a detachable cover, and the volume thereof is modified by insertion or withdrawal of a volume modification member.

Abstract: This true density measurement device is a device for measuring the true density of a sample by a gas phase substitution method, and is provided with a sample chamber for housing the sample, and a lid for providing closure to an opening of the sample chamber. The lid is a non-rotating lid that is pressed against the rim of the opening to hermetically seal the sample chamber.

Abstract: A hybrid power unit is mounted on a vehicle body frame of a saddle-type vehicle and is composed of an engine, a transmission, a clutch system, that enables switching between connection and disconnection of power transmission between a crankshaft and the transmission, and an electric motor capable of transmitting rotational power to the transmission. An operation of the electric motor alone is enabled with alleviation of the load. Thus, an increase in the size in the direction along the axis line of the crankshaft is avoided. The electric motor, rendered incapable of direct power transmission from and to a crankshaft, is housed in a transmission chamber so as to be allowed to transmit rotational power from a rotor of the electric motor to a transmission shaft. The rotor is disposed on an upper side relative to the highest oil level of lubricating oil in the transmission chamber.

Abstract: An adsorption characteristic measuring apparatus is configured to: acquire a unit-time leak pressure value from a pressure increase value of an internal pressure value of a sample tube caused by an non-adsorption gas leaking from the outside of a fitting portion into an inner space of the sample tube; acquire a pressure value at which a temporal change of the internal pressure value of the sample tube assumes an equilibrium state when an adsorption gas present in the reference volume portion is supplied into the sample tube and the sample tube is in a closed state; calculate a pressure value after correction of a real leak pressure value is performed on a measured equilibrium pressure value, as a true equilibrium pressure value, the real leak pressure value being obtained in such a manner that the unit-time leak pressure value is multiplied by a leak time; and calculate an adsorption isotherm.

Abstract: An adsorption characteristic measuring apparatus according to the invention supplies a predetermined adsorption gas to a film formed body as a sample accommodated in a sample tube to measure adsorption characteristics. In the inside of the sample tube, a void between an inner wall surface of the sample tube and the sample is filled with a particle-like filler having higher thermal conductivity than the adsorption gas under a measurement pressure. In addition, a glass rod as a dead volume reducing rod, a spacer ring for forming a thermal insulation space between the particle-like filler and the glass rod, and a reflective plate for reflecting radiant heat are disposed.

Abstract: A hybrid power unit is mounted on a vehicle body frame of a saddle-type vehicle and is composed of an engine, a transmission, a clutch system, that enables switching between connection and disconnection of power transmission between a crankshaft and the transmission, and an electric motor capable of transmitting rotational power to the transmission. An operation of the electric motor alone is enabled with alleviation of the load. Thus, an increase in the size in the direction along the axis line of the crankshaft is avoided. The electric motor, rendered incapable of direct power transmission from and to a crankshaft, is housed in a transmission chamber so as to be allowed to transmit rotational power from a rotor of the electric motor to a transmission shaft. The rotor is disposed on an upper side relative to the highest oil level of lubricating oil in the transmission chamber.

Abstract: This true density measurement device is a device that is used to measure the true density of a sample by a gas phase substitution method, and is provided with: a sample chamber for accommodating the sample, the sample chamber being pressurized through the introduction of an inert gas; and an expansion chamber into which is released the inert gas filling the sample chamber. The expansion chamber under conditions of normal use, is opened and closed by a detachable cover, and the volume thereof is modified by insertion or withdrawal of a volume modification member.

Abstract: This true density measurement device is a device for measuring the true density of a sample by a gas phase substitution method, and is provided with a sample chamber for housing the sample, and a lid for providing closure to an opening of the sample chamber. The lid is a non-rotating lid that is pressed against the rim of the opening to hermetically seal the sample chamber.

Abstract: An adsorption characteristic measuring apparatus is configured to: acquire a unit-time leak pressure value from a pressure increase value of an internal pressure value of a sample tube caused by an non-adsorption gas leaking from the outside of a fitting portion into an inner space of the sample tube; acquire a pressure value at which a temporal change of the internal pressure value of the sample tube assumes an equilibrium state when an adsorption gas present in the reference volume portion is supplied into the sample tube and the sample tube is in a closed state; calculate a pressure value after correction of a real leak pressure value is performed on a measured equilibrium pressure value, as a true equilibrium pressure value, the real leak pressure value being obtained in such a manner that the unit-time leak pressure value is multiplied by a leak time; and calculate an adsorption isotherm.

Abstract: An adsorption characteristic measuring apparatus according to the invention supplies a predetermined adsorption gas to a film formed body as a sample accommodated in a sample tube to measure adsorption characteristics. In the inside of the sample tube, a void between an inner wall surface of the sample tube and the sample is filled with a particle-like filler having higher thermal conductivity than the adsorption gas under a measurement pressure. In addition, a glass rod as a dead volume reducing rod, a spacer ring for forming a thermal insulation space between the particle-like filler and the glass rod, and a reflective plate for reflecting radiant heat are disposed.

Abstract: A hybrid saddle-type vehicle is provided with a power transmission mechanism for transmitting a power of an internal combustion engine to a drive shaft of a rear wheel from one side of a swing arm in a widthwise direction of a vehicle, and an electric motor disposed in the other side in the widthwise direction and for transmit a driving force from the other side in the widthwise direction. A motor housing of the electric motor is supported on an extension portion extending in the other side in the widthwise direction from a portion of the drive shaft to which the rear wheel is mounted, via a pair of bearing sections disposed on both sides of the motor housing in the widthwise direction. The rotor is rotatably supported by the drive shaft between the pair of the bearing sections.

Abstract: A hybrid vehicle includes an engine; a motor; a power transmission mechanism and an oil pump for lubricating the engine and the power transmission mechanism with the rotation of a crankshaft. The oil pump has an oil pump shaft with an oil pump driven gear on one end thereof through a one-way clutch and an oil pump driven sprocket on the other end of the oil pump shaft through a one-way clutch. The oil pump driven gear is connected to a primary drive gear rotating integrally with a motor driven gear for transmitting the power of the motor to the drive wheel. The oil pump driven sprocket is connected to a cam chain of the engine to be rotated by power of the engine. The motor driven gear is disposed on one side of the crankshaft and the cam chain is disposed on the other side of the crankshaft.

Abstract: A hybrid vehicle in which an electric motor is disposed in the vicinity of a center of a vehicle body to reduce lateral expansion. The hybrid vehicle includes an engine, a motor, and a power transmission mechanism for transmitting power of the engine and the motor to a rear wheel. The engine is suspended on the vehicle body in a non-swingable manner with a cylinder extending in a substantially horizontal direction and a crankshaft provided to be oriented in a vehicle width direction. The electric motor is located in front of and above the crankshaft of the engine.

Abstract: Information used for creating an adsorption isostere of a substance to be measured in a measuring system (container) is obtained by repeating alternately a first control step of changing temperature or pressure of the measuring system by a fixed amount by adjusting a gas amount supplied to/discharged from the measuring system, and a second control step of changing pressure or temperature of the measuring system by adjusting the gas amount supplied to/discharged from the measuring system until a gas adsorption amount of the substance to be measured becomes the same as before execution of the first control step.

Abstract: A piston with transverse-rib through holes formed easily therein for reducing the cost of manufacturing. A piston includes a pair of mutually opposed longitudinal ribs individually formed with piston pin bosses interconnecting a pair of piston skirt portions on a back side of a piston head. A pair of transverse ribs interconnect the mutually opposed longitudinal ribs with the transverse ribs. The pair of transverse ribs are formed with transverse-rib through holes at places proximal to the back side of the piston head. A skirt opening is formed by cutting away a part of the piston skirt portion that is opposed to the transverse rib and faces the transverse-rib through hole.

Abstract: A technique for enabling reduction of fuel consumption without greatly changing an engine structure and without impairing a feeling of operation of a vehicle as a motorcycle. An engine includes a crankshaft and a primary gear integrated with the crankshaft that is attached such that the power of the engine is transmitted to a wheel. A one-way clutch transmits the power from the crankshaft to the primary gear but does not transmit the power from the primary gear to the crankshaft. The one-way clutch is provided between the crankshaft and the primary gear with a regenerative brake motor being provided on the primary gear. The engine is non-swingable mounted on the vehicle body with a cylinder extending in a substantially horizontal direction and a crankshaft provided to be oriented in a vehicle width direction. An electric motor is located in front of and above the crankshaft of the engine.

Abstract: A hybrid saddle-type vehicle is provided with a power transmission mechanism for transmitting a power of an internal combustion engine to a drive shaft of a rear wheel from one side of a swing arm in a widthwise direction of a vehicle, and an electric motor disposed in the other side in the widthwise direction and for transmit a driving force from the other side in the widthwise direction. A motor housing of the electric motor is supported on an extension portion extending in the other side in the widthwise direction from a portion of the drive shaft to which the rear wheel is mounted, via a pair of bearing sections disposed on both sides of the motor housing in the widthwise direction. The rotor is rotatably supported by the drive shaft between the pair of the bearing sections.

Abstract: Information used for creating an adsorption isostere of a substance to be measured in a measuring system (container) is obtained by repeating alternately a first control step of changing temperature or pressure of the measuring system by a fixed amount by adjusting a gas amount supplied to/discharged from the measuring system, and a second control step of changing pressure or temperature of the measuring system by adjusting the gas amount supplied to/discharged from the measuring system until a gas adsorption amount of the substance to be measured becomes the same as before execution of the first control step.

Abstract: A hybrid vehicle includes an engine; a motor; a power transmission mechanism and an oil pump for lubricating the engine and the power transmission mechanism with the rotation of a crankshaft. The oil pump has an oil pump shaft with an oil pump driven gear on one end thereof through a one-way clutch and an oil pump driven sprocket on the other end of the oil pump shaft through a one-way clutch. The oil pump driven gear is connected to a primary drive gear rotating integrally with a motor driven gear for transmitting the power of the motor to the drive wheel. The oil pump driven sprocket is connected to a cam chain of the engine to be rotated by power of the engine. The motor driven gear is disposed on one side of the crankshaft and the cam chain is disposed on the other side of the crankshaft.