32results about How to "Ensure the flow path" patented technology

Provided is heat transfer tubes and a heat exchanger using the same. In the compact heat exchanger, outer tubes and inner tubes can be assembled in an accurate manner without causing reduction in heat transfer efficiency. The heat transfer tubes comprise: a plurality of parallel outer tubes (13); inner tubes (15) inserted into the outer tubes (13) and disposed so that both ends of the inner tubes (15) extend beyond the outer tubes (13); a gap support member (17) disposed in the gap between the inner circumferential surface of the outer tube (13) and the outer circumferential surface of the inner tube (15), the gap support member (17) being made of a wire material arranged so as to be in contact with the inner circumferential surface and the outer circumferential surface in a spiral shape along substantially the entire length of the outer tube (13); and a support member (19) made of a wire material arranged so as to be in contact with the inner circumferential surface of the inner tube (15) in a spiral shape along the entire length of the inner tube (15). The area ratio of a primary flow path in the inner tubes (15) and a secondary flow path in the outer tubes (13) is 1:1-1:1.6.

The present invention provides gas sensor unit capable of ensuring the ventilation volume. A first protruding part (239) is arranged on the connection surface (233) in the filter configuration hole (231). The inner surface (252) of the filter member (250) configured in the filter configuration hole (231) is only contacted to the front end part of the protruding part (239). A gap (257) is formed between the inner surface (252) and the connection surface (233), so as to prevent the close contact of the inner surface (252) and the connection surface (233). At this point, parts on the inner surface (252) except the part contacted with the filter configuration hole (231) totally face to the gap (257). Therefore, compared with the prior instance that the inner surface (252) and the connection surface (233) are in close contact, the ventilating area in the inner surface (252) can be increased, thereby increasing the ventilation volume in the filter member (250).

Disclosed is a lower die for receiving molten glass drops which were dripped. A coating layer is formed on a base material through an intermediate layer, and surface roughening is performed on the surface of the coating layer in order to increase arithmetic average roughness (Ra). The surface of the coating layer subjected to the surface roughening has an arithmetic average roughness (Ra) of 0.01 [mu]m or more, and an average length (RSm) of a roughness curve element of 0.5[mu]m or less.

The present invention has an object to provide a balance shaft friction damper (1) capable of preventing a torque reduction of a lip sliding surface while ensuring an axial flow path for a lubricant to stably circulate the lubricant. The object is achieved by a balance shaft friction damper (1) including: a metal mounting ring (10) that is mounted in an annular gap (300) between a shaft portion (100) of a balance shaft of an engine and a gear portion (200) provided on an outer periphery of the shaft portion (100), and has a fitting surface (11a) fitted and secured to one of an outer peripheral surface (101) of the shaft portion (100) and an inner peripheral surface (201) of the gear portion (200); and an annular elastic ring member (20) made of a rubber-like elastic material and provided on the mounting ring (10), and has a lip sliding surface (21a) brought into close contact with the other of the outer peripheral surface (101) of the shaft portion (100) and the inner peripheral surface (201) of the gear portion (200), wherein an oil flow path portion (30) that allows axial circulation of a lubricant is formed in a position across the mounting ring (10) and the elastic ring member (20) and apart from the lip sliding surface (21a), and / or an oil flow path portion (30) that allows axial circulation of a lubricant is formed in a position in the mounting ring (10) and apart from the lip sliding surface (21a).

A filter assembly is provided. A filter assembly according to an embodiment of the present invention is implemented so as to comprise: a filtration medium comprising a nanofiber, having a three-dimensional network structure, and having a fiber web layer comprising a hydrophilic coating layer that covers at least a part of the outer surface of the nanofiber; and a first support body that supports the filtration medium, which is provided on both surfaces thereof, and has a channel formed therein. Accordingly, the filtration medium has excellent chemical resistance and improved hydrophilicity such that the flow rate can increase substantially. In addition, the improved hydrophilicity is maintained for a long period of time such that the utilization period can be extended substantially. Furthermore, any change in the pore structure of the filtration medium during the hydrophilicity endowing process is minimized such that the initially designed physical characteristics of the filtration medium can be fully exhibited. Moreover, the channel is efficiently formed in spite of a high pressure applied during filtration and / or backwashing such that any reduction in the flow rate is prevented,any damage to the membrane is minimized, and the resulting filter assembly having chemical resistance, excellent water permeability, and durability can be variously applied in the water treatment field.

The present invention includes a butterfly valve that has a resin valve body and a shaft. The shaft includes a first shaft member and a second shaft member. The first and second shaft members are integrated with the valve body. The first and second shaft members are spaced from each other in an axial direction by a predetermined distance.

A master cylinder that can sufficiently supply brake fluid through the gap between the piston oil seal and the bottom of the peripheral groove and the communication groove when the air is extracted, and as a result, the air can be exhausted with the least number of times. The piston oil seal (35) is installed in the peripheral groove (30) formed on the cylinder main body (15), and can seal between the supply passage (38) communicating with the container and the pressure chamber (68) supplying hydraulic pressure to the discharge passage, It has: an annular base portion (90); an inner peripheral flange portion 91 protruding from the inner peripheral side of the base portion (90) and slidingly contacting the outer peripheral surface of the piston (19); an outer peripheral flange portion (92) extending from the The outer peripheral side of the base (90) protrudes and contacts with the peripheral groove (30) of the cylinder main body (15); the middle protrusion (93) protrudes from the inner peripheral flange portion (91) and the outer peripheral flange portion (92) of the base (90) ) protrudes to the front of the outer peripheral flange portion (92), and a notch groove (95) is formed on the front end side of the intermediate protrusion (93).

The present invention includes a butterfly valve that has a resin valve body and a shaft. The shaft includes a first shaft member and a second shaft member. The first and second shaft members are integrated with the valve body. The first and second shaft members are spaced from each other in an axial direction by a predetermined distance.

An ion-exchange equipment includes a tank unit formed with a cooling liquid flow-in port and a cooling liquid flow-out port and provided therein with an ion-exchange chamber, and an ion-exchange resin in form of particles filling the ion-exchange chamber of the tank unit. The ion-exchange chamber is provided so as to extend along an axial direction of the tank unit and the ion-exchange chamber has a circular cross section taken perpendicularly to the axial direction of the tank unit, and the cooling liquid flow-in port is formed so as to extend in a tangential direction of the ion-exchange chamber.

A hydraulic unit is provided with: a manifold which forms a hydraulic circuit; a tank which is joined to the manifold; and a hydraulic pump which suctions hydraulic fluid in the tank and supplies the hydraulic fluid to the manifold, wherein the base end portion of a suction strainer is fitted into the hydraulic pump, and the suction strainer has such a shape that the base end portion of the suction strainer is not separated from the hydraulic pump in a state where the leading end portion of the suction strainer is in contact with the tank and an opening through which the hydraulic fluid is introduced from the tank is provided at the leading end portion.

A mixing / charging port for medical treatment capable of reliably mixing / charging solutions or collecting the solutions in a medical instrument equipped with a solution feed passage, comprising a disc-like valve (1) having an insertion hole at the center, a cover (2) for restraining the valve (1) by covering at least the upper part of the periphery of the valve (1) with the center on the front surface side of the valve (1) left uncovered, and a round fitting hole (6) formed at the center of the cover (2) as anchor means for anchoring an insertion member to a mixing / charging port, the fitting hole (6) and the insertion member being so fitted to each other as to be capable of anchoring.

When a hub (40) is in an initial position at which it is located on the front end side of an inner cavity of a shield (20), an inner needle (50) penetrates an outer needle (30) and protrudes from a leading end of the outer needle to the outside, and when the hub is in a retracted position at which it is located on the rear end side of the inner cavity of the shield, the inner needle is housed within the inner cavity of the shield. A first side hole (31) is formed in an outer circumferential face of the outer needle, and a second side hole (51) is formed in an outer circumferential face of the inner needle. When the hub is in the initial position, an inner circumferential face of a region (33) of the outer needle that contains the first side hole is in close contact with the outer circumferential face of the inner needle, and the second side hole is located closer to the hub than the region where the inner circumferential face of the outer needle is in close contact with the outer circumferential face of the inner needle. Thus, a priming operation for filling a gap between the inner needle and the outer needle with blood can be easily performed, and leakage of blood through the side hole of the outer needle during puncture does not occur.

The present invention provides an applicator capable of fixing an applicator easily and securing a flow path of a coating liquid. An applicator provided with an applicator having an applicator, the applicator having a core base on which the applicator is mounted and a fixing member protruding from a main body with a plurality of protrusions, when the protrusions of the fixing member are pierced into In the state of the applied body, the fixing member is fixed to the core base to fix the applied body to the core base, and in the fixed state of the applied body, the applied part is attached to the guide shaft .

A hydraulic unit is provided with: a manifold which forms a hydraulic circuit; a tank which is joined to the manifold; and a hydraulic pump which suctions hydraulic fluid in the tank and supplies the hydraulic fluid to the manifold, wherein the base end portion of a suction strainer is fitted into the hydraulic pump, and the suction strainer has such a shape that the base end portion of the suction strainer is not separated from the hydraulic pump in a state where the leading end portion of the suction strainer is in contact with the tank and an opening through which the hydraulic fluid is introduced from the tank is provided at the leading end portion.

The present invention provides a hollow fiber membrane module capable of effectively removing the accumulation of suspended matter in the membrane module, realizing reduction in operating cost, and capable of stable operation, and an operation method thereof. The hollow fiber membrane module of the present invention is characterized in that it has a cylindrical casing, a plurality of hollow fiber membranes, and a first sealing part, the cylindrical casing has a first end and a second end in the height direction, and a plurality of hollow fiber membranes. The membrane is housed in the cylindrical case, the first sealing part is housed in the cylindrical case, and the ends of a plurality of hollow fiber membranes located on the first end side of the cylindrical case are combined in an open state, and the hollow fiber The membrane is a porous hollow fiber membrane with a breaking strength of 23MPa or more, and the membrane area per unit volume of the hollow fiber membrane module is 800m 2 / m 3 Above 3700m 2 / m 3 Hereinafter, in a section perpendicular to the height direction of the cylindrical case, the filling rate of the hollow fiber membrane is 25% or more and 38% or less.

The invention discloses an integrated air-conditioner, belonging to an air flow control component for an air-conditioner, and comprises: a front panel forming appearance of the air-conditioner; suction grill able to be assembled on and unassembled from the front panel; and suction grill fixer, preventing the front panel separating from the suction grill. Thus, it can improve the appearance of an air-conditioner and assure normal air suction and exhaust flow paths.

According to the present invention, there is provided a carbon fiber fabric for a gas diffusion layer of a fuel cell, which can reduce the thickness of the carbon fiber fabric when it is stacked in a fuel cell and improve the adhesion when the membrane electrode assembly and the separator are sandwiched and stacked. It also has excellent gas diffusivity in the fuel cell and can generate electricity efficiently. The carbon fiber fabric (1) for a fuel cell gas diffusion layer is formed by intertwining the warp (2) and the weft (3), and one of the warp (2) or the weft (3) is substantially untwisted. In addition, on one side of the carbon fiber fabric (1) for a fuel cell gas diffusion layer, the non-twisted yarn above the other yarn (the weft or the warp) interwoven with the warp (2) or the weft (3) as the non-twisted yarn The number of twisted yarns is greater than the number of untwisted yarns positioned below the other yarn.

The present invention provides an applicator capable of easily fixing a coating body and fixing a coating body in such a manner as to ensure a flow path of the coating liquid. An applicator is provided with a coating portion having a coating body, the coating portion having a core base for mounting the coating body and a fixing member having a plurality of protrusions protruding from the main body, and in a condition of puncturing the protrusions of the fixing member in the coating body, the fixing member is fixed to the core base so as to fix the coating body to the core base, and in the fixed state of the coating body, the coating portion is attached to the guide shaft.

Provided is a heat exchanger capable of improving the flowability of a heat exchange medium in an inlet / outlet forming part. The present invention relates to a heat exchanger provided with: a heat transfer unit (2) configured as a heat exchange flow path (20) through which a heat exchange medium (L) flows in a hollow section; and inlet / outlet forming parts (1a, 1b), the interior of which is connected to the heat exchange flow path (20) in a communicating manner and in which an inlet / outlet (15) through which the heat exchange medium (L) flows in and out is formed. At least a portion of the outer surface portion of the heat transfer portion (2) is configured from a cover sheet (6) which is a laminated material obtained by providing a resin cover layer on at least one surface side of a metal heat transfer layer, and the outer dimension thickness (T1) of the inlet / outlet forming portions (1a, 1b) is formed to be thicker than the outer dimension thickness (T2) of the heat transfer portion (2).

The present invention relates to a clothing treatment apparatus comprising: a heat pump having an evaporator, a compressor, a condenser, and an expansion valve, and applying heat to air circulating in a drum; an air flow path forming a movement path such that the air is circulated through the drum; a lint filter provided on the air flow path and collecting lint contained in the air; and a condensate water collecting part collecting condensate water generated in the evaporator and supplying the condensate water to the lint filter, wherein the condensate water supplied from the condensate water collecting part is supplied to the upper portion of the lint filter, and the lint collected in the lint filter is moved to the lower portion of the lint filter, thereby securing the air flow path of the lint filter.

In order to provide is a range hood which is small, can ensure a flow path for smoke, and has a good soundproof performance, and with which cleaning of oil stains and the like is easy. This range hoodhas: a suctioning part which has a suctioning opening and which sucks in air from below in the vertical direction; a connection opening that is connected to the suctioning part; a duct part that sends transports the air sucked in from the connection opening and exhausts the air from an exhaust opening to the outside; a blowing mechanism that is provided inside the duct part and that moves the airinside the duct part toward the exhaust opening; and a straightening plate that is disposed inside the suctioning opening of the suctioning part, or disposed so as to cover a portion of the suctioning opening. The distance between the suctioning part and the flow straightening plate is no more than 110 mm, and at least one soundproof structure is provided on the surface on the suctioning part side of the flow straightening plate between the straightening plate and the suctioning part.

A battery cooling structure is provided in which since a battery support member (43) that is disposed above a lower layer battery group (B4, B5) and supports an upper layer battery group (B6) on its upper face is formed so as to be hollow, and the upper layer battery group (B6) is cooled by a cooling medium that flows in an interior of the battery support member (43), due to the battery support member (43) having the dual function of supporting the upper layer battery group (B6) and cooling the upper layer battery group (B6), it is possible to cut the number of components and simplify the structure. Moreover, since the cooling medium flows in the interior of the battery support member (43) and does not come into direct contact with the upper layer battery group (B6), the upper layer battery group (B6) is not contaminated by the cooling medium.