Abstract: An object is to reduce man-hours for evaluations of design, test, and the like for securing an exhaust gas purifier to an engine, while also making the exhaust gas purifier more compact. The exhaust gas purifier includes a plurality of filter bodies and to purify exhaust gas discharged from the engine, a purification casing including a plurality of purification cases that house the filter bodies, an exhaust gas pressure sensor to detect an exhaust gas pressure in the purification casing, and an exhaust gas temperature sensor to detect an exhaust gas temperature in the purification casing. The two sensors are disposed on the outer circumferential side of the purification casing so as to fit in the length range in the purification casing in the exhaust gas flow direction.

Abstract: An exhaust gas purification device capable of enhancing handling operability such as maintenance of an engine includes two gas purification bodies which purify exhaust gas discharged from the engine, inner cases in which the gas purification bodies are incorporated, and outer cases in which the inner cases are incorporated. The outer cases are arranged side by side in a moving direction of exhaust gas and connected to each other. One of the adjoining inner cases is inserted into the other inner case to form a double-layer structure. A loosely-fitting gap is formed between an inner side surface of the one inner case and an outer side surface of the other inner case.

Abstract: An exhaust gas purification device capable of enhancing handling operability such as maintenance of an engine includes two gas purification bodies which purity exhaust gas discharged from the engine, inner cases in which the gas purification bodies are incorporated, and outer cases in which the inner cases are incorporated. The outer cases are arranged side by side in a moving direction of exhaust gas and connected to each other. One of the adjoining inner cases is inserted into the other inner case to form a double-layer structure. A loosely-fitting gap is formed between an inner side surface of the one inner case and an outer side surface of the other inner case.

Abstract: A exhaust gas purification device is structured such that it is possible to improve an assembling work ability or a maintenance work ability of gas purifying bodies or exhaust gas purifying cases. In an exhaust gas purification device provided with gas purifying bodies which purify an exhaust gas discharged by an engine, and a gas purifying housing which is provided with the gas purifying bodies therein, the exhaust gas purification device is structured such that a support bracket which supports the gas purifying housing is provided, a bolt hole is formed in the support bracket, an insertion guide is formed in the support bracket, and an attaching bolt is engaged with and disengaged from the bolt hole via the insertion guide.

Abstract: Provided is smooth lifting up an exhaust gas purification device in the case of assembling the exhaust gas purification device in an engine. The exhaust gas purification device is provided with a plurality of filter bodies which purify exhaust gas discharged by the engine, and a purification casing which has each of the filter bodies built-in and is constructed by a plurality of purification cases. The purification casing is constructed by arranging each of the purification cases in an exhaust gas moving direction and connecting the purification cases by thick plate flanges. A suspension body is integrally formed in the thick plate flange.

Abstract: Provided is an exhaust gas purifying device which can improve handling work ability such as maintenance of an engine while it can improve a purifying performance of an exhaust gas of the engine. The exhaust gas purifying device is provided with a plurality of gas purifying bodies which purifies the exhaust gas discharged by the engine, a plurality of inside cases which are inward provided with the gas purifying bodies, and outside which are inward provided with the inside cases. An outlet end portion of an inside case in an exhaust gas upstream side and an inlet end portion of an in an exhaust gas downstream side are superposed as a double structure. Sensor boss bodies for supporting exhaust gas sensors are arranged in an outside surface of the outlet end portion or the inlet end portion of the double structure. The sensor boss bodies are extended to an outside direction of the outside case.

Abstract: Provided is an engine apparatus that ensures highly accurate adjustment of the exhaust gas pressure of an exhaust manifold while providing an exhaust gas throttle device with a support structure of increased rigidity. The engine apparatus includes: an engine including the exhaust manifold; and the exhaust gas throttle device to adjust an exhaust gas pressure of the exhaust manifold. An exhaust gas intake side of a throttle valve easing of the exhaust gas throttle device is fastened to an exhaust gas exit of the exhaust manifold. An exhaust pipe is coupled to the exhaust manifold through the throttle valve casing.

Abstract: It is an object of the present invention to provide an engine device in which a support structure of an exhaust throttle device can be made as a high rigidity structure, and it is possible to prevent the exhaust throttle device from being heated by radiation heat from peripheries of the exhaust throttle device. The engine device of the invention includes an engine (1) having an exhaust manifold (7), and the exhaust throttle device (65) adjusts exhaust gas pressure of the exhaust manifold (7). An exhaust gas intake side of a throttle valve case (68) of the exhaust throttle device (65) is fastened to an exhaust gas outlet, of the exhaust manifold (7), and an exhaust gas pipe (72) is connected to the exhaust manifold (7) through the throttle valve case (68). An intermediate portion of a cooling pipe of an EGR cooler (29) is provided with a cooling water pipe of the exhaust throttle device (65).

Abstract: An object is to reduce man-hours for evaluations of design, test, and the like for securing an exhaust gas purifier to an engine, while also making the exhaust gas purifier more compact. The exhaust gas purifier includes a plurality of filter bodies and to purify exhaust gas discharged from the engine, a purification casing including a plurality of purification cases that house the filter bodies, an exhaust gas pressure sensor to detect an exhaust gas pressure in the purification casing, and an exhaust gas temperature sensor to detect an exhaust gas temperature in the purification casing. The two sensors are disposed on the outer circumferential side of the purification casing so as to fit in the length range in the purification casing in the exhaust gas flow direction.

Abstract: Inner cases are connected to outer cases through joining flanges which protrude toward outer peripheries of the outer cases. A plurality of combinations each including filters, the inner cases, and the outer cases are provided. Both the joining flanges are sandwiched and fixed between a pair of sandwiching flanges, thereby connecting the plurality of outer cases to each other.

Abstract: An engine device is disclosed in which a gas purifying filter can be disposed, with high rigidity, in an engine as one constituent part of the engine and the need of countermeasures against exhaust gas for each of the devices of a vehicle is eliminated, and general versatility of the engine can be enhanced. The engine device includes a diesel engine having an exhaust manifold, and an exhaust gas purifying device which purifies exhaust gas discharged from the diesel engine. A plurality of filter supporting bodies which support the exhaust gas purifying device are provided on an upper portion of a flywheel housing in the diesel engine. The exhaust gas purifying device is connected to the exhaust manifold and connected to the flywheel housing through the plurality of filter supporting bodies.

Abstract: A general purpose property of an exhaust gas purifying device for mounting is improved by increasing the attaching pattern of an exhaust gas purifying device, in the case that the exhaust gas purifying device is attached to a diesel engine. An exhaust gas purifying device is provided with gas purifying filters purifying an exhaust gas discharged from a diesel engine, inner cases internally provided with the gas purifying filters, and outer cases internally provided with the inner cases. An exhaust gas inlet pipe having an exhaust gas inlet side is provided in the midstream portion in a longitudinal direction of the outer case. An exhaust gas inflow port is provided in one end side in a longitudinal direction of the catalyst outer case. An exhaust gas outlet side of the exhaust gas inlet pipe is structured such as to be connected to the exhaust gas inflow port of the catalyst outer case.

Abstract: A work vehicle limited in a mounting space is adapted to have an engine, which is provided with an exhaust gas cleaning device, easily arranged therein. An engine device, which is to be mounted on the work vehicle, is provided with the engine mounted on a machine body and covered with a hood, an air cleaner for cleaning air introduced into the engine, and an exhaust gas cleaning device for cleaning exhaust gas from the engine. The exhaust gas cleaning device is arranged on a flywheel housing fitted on one side portion of the engine.

Abstract: Provided is an exhaust gas purifying device structured such that a gas sensor or the like can be easily arranged while an installation length of gas purifying filters can be formed compact. The exhaust gas purifying device includes the gas purifying filters for purifying an exhaust gas discharged from an engine, inner cases internally provided with the gas purifying filters, and outer cases internally provided with the inner cases. Provided are sets of the gas purifying filters, the inner cases and the outer cases, and flange bodies connecting plural sets of outer cases are offset with respect to a connection boundary position of plural sets of gas purifying filters.

Abstract: An exhaust gas purification device capable of enhancing handling operability such as maintenance of an engine includes two gas purification bodies which purify exhaust gas discharged from the engine, inner cases in which the gas purification bodies are incorporated, and outer cases in which the inner cases are incorporated. The outer cases are arranged side by side in a moving direction of exhaust gas and connected to each other. One of the adjoining inner cases is inserted into the other inner case to form a double-layer structure. A loosely-fitting gap is formed between an inner side surface of the one inner case and an outer side surface of the other inner case.

Abstract: A exhaust gas purification device is structured such that it is possible to improve an assembling work ability or a maintenance work ability of gas purifying bodies or exhaust gas purifying cases. In an exhaust gas purification device provided with gas purifying bodies which purify an exhaust gas discharged by an engine, and a gas purifying housing which is provided with the gas purifying bodies therein, the exhaust gas purification device is structured such that a support bracket which supports the gas purifying housing is provided, a bolt hole is formed in the support bracket, an insertion guide is formed in the support bracket, and an attaching bolt is engaged with and disengaged from the bolt hole via the insertion guide.

Abstract: Provided is an exhaust gas purifying device which can improve handling work ability such as maintenance of an engine while it can improve a purifying performance of an exhaust gas of the engine. The exhaust gas purifying device is provided with a plurality of gas purifying bodies which purifies the exhaust gas discharged by the engine, a plurality of inside cases which are inward provided with the gas purifying bodies, and outside which are inward provided with the inside cases. An outlet end portion of an inside case in an exhaust gas upstream side and an inlet end portion of an in an exhaust gas downstream side are superposed as a double structure. Sensor boss bodiest'or supporting exhaust gas sensors are arranged in an outside surface of the outlet end portion or the inlet end portion of the double structure. The sensor boss bodiesare extended to an outside direction of the outside case.

Abstract: Inner cases are connected to outer cases through joining flanges which protrude toward outer peripheries of the outer cases. A plurality of combinations each including filters, the inner cases, and the outer cases are provided. Both the joining flanges are sandwiched and fixed between a pair of sandwiching flanges, thereby connecting the plurality of outer cases to each other.

Abstract: A work vehicle limited in a mounting space is adapted to have an engine, which is provided with an exhaust gas cleaning device, easily arranged therein. An engine device, which is to be mounted on the work vehicle, is provided with the engine mounted on a machine body and covered with a hood, an air cleaner for cleaning air introduced into the engine, and an exhaust gas cleaning device for cleaning exhaust gas from the engine. The exhaust gas cleaning device is arranged on a flywheel housing fitted on one side portion of the engine.