46results about How to "Compact arrangement" patented technology

A multiuse programmable dental device that allows the user to selectively program various fluid delivery regimens and methods of using and programming the irrigator device. The irrigator may also be operated manually, as desired by the operator. Other features, such as selective delivery of various fluids, monitoring fluids levels of the system, and the capability to store previously used regimens within the systems memory, are found in the present invention.

The invention discloses a wavelength division multiplexer which can be integrated into CFP and CFP2 standard high-speed transceivers, which comprises a filter holder and a plurality of filters, and the plurality of filters sequentially transmit light of a set wavelength and reflect the rest of the light to the bottom A filter, the filter holder is provided with an incident light inlet, and also includes a right-angle prism and a plane mirror, all filters and the incident light inlet are installed on the same side of the filter holder, and the right-angle prism and the plane mirror are installed on the filter The other side of the sheet holder is arranged opposite to all the filters. The oblique surface of the rectangular prism refracts the incident light to the nearest filter, and each filter transmits the light of the set wavelength and reflects the light of the remaining wavelengths to the flat mirror behind the flat mirror. Reflected to the next filter; the invention can greatly compress the size of the device, not only can be applied to high-speed transceivers, but also can save production costs, reduce product footprint, and have higher stability than traditional coarse wavelength division multiplexing , with a wide range of applications.

An arrangement for conveying fluids has a fluid pump (91) implemented in the manner of a centrifugal pump, having a pump wheel (90) that is connected to a first permanent magnet (92). The arrangement further has an electronically commutated internal-rotor motor (70) having a stator (68), inside which stator is rotatably arranged a rotor (60) that is in turn connected to a second permanent magnet (76; 140) that coacts with the first permanent magnet (92) in the manner of a magnetic coupling (93). The arrangement also has a partitioning can (52) that separates the first permanent magnet (92) of the magnetic coupling (93), which magnet is arranged inside said partitioning can (52), in fluid-tight fashion from the second permanent magnet (76; 140) arranged outside the partitioning can (52), the stator (68) of the internal-rotor motor (70) being arranged substantially in the same drive plane as the magnetic coupling (93) and radially outside the latter.

The present invention relates to a spectral detection device (100) for detecting spectral components of received light, wherein the spectral detection device (100) comprises a filtering structure (110) arranged to filter the received light and output light with a wavelength within a predetermined wavelength range; and a light sensor (120) arranged to detect the light output by the filtering structure (110), wherein the filtering structure (110) is variable to allow a variation of the predetermined wavelength range over time.The arrangement enables a compact spectral detection device that may be provided at a low cost.

The invention provides a light source component and a 3D (three-dimensional) printer and relates to the field of light source components. The light source component comprises a light source substrate, a bottom plate and a reflecting component, wherein the light source substrate is connected with the bottom plate; the reflecting component comprises a plurality of light-penetrating pipes which are connected with one another and are connected with the light source substrate; a fluid passage is arranged between the pipe walls of the plurality of light-penetrating pipes and the bottom plate for heat-dissipating fluid and consists of the pipe walls of the light-penetrating pipes and the bottom plate; or the reflecting component is also provided with a heat-dissipating pipe which serves as the fluid passage. The light source component provided by the invention has a heat-dissipating cooling function, and meanwhile, the volume of the whole module can be reduced. The 3D printer provided by the invention adopts the light source component, so that the 3D printer is small in volume, has the heat-dissipating cooling function and is long in service life.

The present invention is related with the optical instrument such as interferometer for testing the optical systems and samples whereas the optical instrument comprises the laser (1) for generating the laser beam which passes the beam expander (2), beam-splitter (23) dividing the laser beam to a working light beam and reference light beam, focusing objectives (3, 7), flat glass plate (4) with one side coated by thin metal highly reflecting coating with the pattern including a pinhole, computer (12), CCD camera (13), tested part or optical system (6). In addition the optical instrument comprises at least two flat mirrors (24, 25), observation objective and at least one stop (20) placed between the beam-splitter (23), flat mirrors (24, 25) and / or focusing objective (7).

The invention provides a power module of a wind power converter. The power module comprises a capacitor unit, a reactor unit, a control unit, and a casing, wherein the capacitor unit and the reactor unit are sequentially arranged from a first side panel of the casing to a second side panel of the casing; and the control unit is arranged between a front panel of the casing and the capacitor unit as well as the reactor unit. The power module of the wind power converter provided by the invention has the advantages that the internal components are reasonably used and compactly distributed, so that the power level is improved, and the size is reduced; and moreover, heat dissipation effects can be effectively improved through a water-cooling heat dissipation method.

A fluid operated contractile drive which has a contractile hose (4) extending between two head pieces (2 and 3), and attached to at least one head piece (2 and 3) by having its respective end section (10) clamped in an annular clamping gap (26) defined between clamping surfaces (24 and 25), extending in an at least partially inclined manner in relation to the longitudinal axis (9) of the contractile hose (4) of a first clamping unit (22) having a force output means (17) serving for external force output and a second clamping unit (23) able to be shifted axially in relation to the first clamping unit. In addition to the contractile hose (4) between the two clamping unit (22 and 23) there are loading means (45), effective between same, such loading means (45) acting on the clamping unit (22 and 23) to produce a reduction of the width of the clamping gap (26).

The invention discloses a four-wheel drive tractor which comprises a front frame, a rear frame, a first tail end assembly, a second tail end assembly, a front axle, and a rear axle, wherein a power source and a first speed changing box connected with the power source are arranged on the front frame; a second speed changing box is arranged on the rear frame; a bowing steering mechanism is arranged between the front frame and the rear frame; a transfer system and a differential mechanism are arranged inside the first speed changing box; the first tail end assembly is integrated on the first speed changing box; the second tail end assembly is integrated on the second speed reducing box, and the first speed changing box is connected with the second speed changing box through a power transfer shaft. The tractor is more flexible as the bowing steering mechanism is arranged between the front frame and the rear frame; the transfer system and the differential mechanism do not need to be arranged inside the tractor; a space inside the tractor is greatly saved; the speed changing boxes are compactly arranged, are small in volume and do not affect the steering operation; the tail end assemblies are integrated on the speed changing boxes, and the front axle is connected to the tail end assemblies, therefore, the space is saved.

The invention belongs to the technical field of oil exploitation, and particularly relates to an oligomeric quaternary ammonium salt type heavy oil viscosity reducer and a preparation method thereof.The heavy oil viscosity reducer is an ethoxy quaternary ammonium salt type oligomer. A plurality of amphiphilic elements in the molecular structure of the oligomer have a relatively strong synergisticeffect and are arranged more closely on an oil-water interface, so the oligomer has excellent emulsifying capacity. On the other hand, molecules of the oligomer contains a plurality of EO elements which can effectively chelate heavy metal ions in heavy oil and destroy association of metal ions and asphaltene aromatic lamellas so as to destroy asphaltene aggregate structures. A single ethoxy quaternary ammonium salt type oligomeric surfactant provided by the invention can effectively reduce the viscosity of heavy oil with a high heavy metal content, and has a viscosity reduction rate of up to76-95%.

In a default device of an actuator for a variable lift valve operating mechanism, in the event of failure of the actuator, a pressed portion of a lever pivotably supported on a support shaft is urged by a resilient force of a coil spring, an arm is pressed by a cam portion of the lever to rotate a control shaft in one direction to prevent valve lift from being a predetermined value or lower. The support shaft that pivotably supports the lever of a default mechanism is placed in a position offset from a rotation axis of the control shaft. Thus, as compared with the case where the support shaft is placed coaxially with the control shaft, a large urging force is input from the lever to the control shaft to reliably prevent the valve lift from being the predetermined value or lower.

The invention discloses a grain harvesting machine with good power performance. The grain harvesting machine comprises a self-propelled machine body, a harvester, a spiral conveying device and a drum-type threshing device, wherein the harvester, the spiral conveying device and the drum-type threshing device are arranged on the self-propelled machine body; the self-propelled machine body comprises a frame, traveling wheels, an engine and a transmission component; the transmission component is in transmission connection to the power output shaft of the engine, the harvester, the spiral conveying device, the threshing device and the traveling wheels and comprises a side-hanging-type transmission box which is transversely arranged on the lateral side of the frame and is used for transmitting power to the traveling wheels; the flywheel of the engine comprises a flywheel body, at least two variable-inertia sliders and an internal balance rotary disc; the variable-inertia sliders are uniformly arranged around the rotary shaft of the flywheel body and are radially and slidably connected to the flywheel body; the internal balance rotary disc serving as a synchronizing device is coaxially and rotatably connected with the flywheel body and is in slide fit with the variable-inertia sliders through a planar slideway; the planar slideway deflects along the circumferential direction of the rotary disc, so that a certain included angle is formed between the planar slideway and the sliding direction of the corresponding slider. The grain harvesting machine with good power performance has the advantages that the engine, the harvester, the threshing device and the spiral conveying device are compactly distributed, so that the operating flexibility of the whole harvesting machine can be improved, the length of a transmission chain is reduced, the stability of a transmission structure is ensured, the grain harvesting machine is less prone to failure and damage, and maintenance cost is reduced favorably.

The invention discloses an ultra-bandwidth antenna array and electronic equipment, and belongs to the technical field of electronic products. The antenna array comprises a first antenna unit, a second antenna unit and a third antenna unit, and the first distance and the second distance are smaller than the third distance; wherein the first distance is the distance between the first antenna unit and the third antenna unit, the second distance is the distance between the second antenna unit and the third antenna unit, and the third distance is the distance between the first antenna unit and the second antenna unit; wherein the phase centers of the first antenna unit, the second antenna unit and the third antenna unit deviate from the geometric center.

The invention disclose a U-shaped electronic cigarette peristaltic pump. The pump comprises a bearing part, a driving assembly, transmission assemblies and a peristaltic assembly, the driving assembly is arranged on the bearing part, the peristaltic assembly and the driving assembly are arranged on the same side of the bearing part side by side, a first containing space is formed between the driving assembly and the bearing part, a second containing space is formed between the peristaltic assembly and the bearing part, the transmission assemblies are located in the first containing space and the second containing space correspondingly, and the driving assembly is connected with the peristaltic assembly through the transmission assemblies. The transmission assemblies are located in the first containing space and the second containing space respectively, then the driving assembly and the peristaltic assembly are connected, the driving assembly, the transmission assemblies and the peristaltic assembly are all arranged on the bearing part, the overall shape is in a U shape, the first containing space and the second containing space are reasonably utilized, a traditional speed reduction outer box is omitted, the transmission assemblies are arranged more compactly, and the size of a final product is also reduced, so that not only is the carrying convenient, but also the use is convenient.

The invention discloses laser projection equipment, and belongs to the field of projection display. The laser projection equipment comprises a light source system, an optical illumination system and a projection lens. The optical illumination system only adopts a single LCOS (Liquid Crystal On Silicon) to modulate the laser beam, so that the number of other optical devices matched with the single LCOS is small. In addition, the arrangement direction of the light combining mirror group and the first reflecting mirror in the light source system is parallel to the arrangement direction of the plurality of optical lenses in the projection lens, and the arrangement direction of the light uniformizing assembly and the light splitting assembly in the optical illumination system is perpendicular to the arrangement direction of the plurality of optical lenses. Therefore, the arrangement of the light source system, the optical illumination system and the projection lens is compact, so that the width of the laser projection equipment in the first direction is small, and the width of the laser projection equipment in the second direction is also small. In this way, the size of the whole laser projection equipment can be small.

The invention relates to the technical field of slope supporting equipment, and particularly relates to open pit mine slope supporting equipment. The open pit mine slope supporting equipment comprises two sets of base plates, a winding piece and telescopic ground inserting pieces, wherein the two sets of base plates are connected through connecting columns; the winding piece is arranged between the two sets of base plates, a plurality of sets of supporting rods are wound on the surface of the winding piece, every two adjacent sets of supporting rods are connected through a protective net, and elastic winding pieces are arranged on the surfaces of the supporting rods to wind the protective nets; and the telescopic ground inserting pieces are arranged at the bottom ends of the supporting rods. The open pit mine slope supporting equipment has the beneficial effects that the multiple sets of supporting rods connected through the protective nets are wound on a winding shaft, so that the supporting equipment is convenient to transfer in batches; the protective nets have flexibility, so that the deflection angles of every two adjacent supporting rods are randomly arranged according to actual conditions, and the applicability of the supporting equipment is higher; and the protective nets between every two adjacent sets of supporting rods are wound by a volute spiral spring winding box matched with a winding stand column, so that the supporting rods wound on the outer side of the winding shaft are arranged more tightly.

A rocker switch for a cell phone having a display mounted thereon. A five-position rocker switch, as is commonly used in cell phones, has a display device mounted directly thereon. The display indicates the function of the five switches, which may vary with time. Accordingly, different menus or levels of screens are possible. Contacts with the corner switches are disabled if movement is within 20 degrees of vertical to avoid erroneous inputs.