摘要:
PROBLEM TO BE SOLVED: To provide a washing device and a washing method of an air-conditioning device for a vehicle, which have high ability to remove dusts and foreign objects adherent to a condenser portion. SOLUTION: The washing device of the air-conditioning device (1) for the vehicle having a cooling unit (4) and a condensing unit (3) comprises a water storage means (22) for storing water by collecting condensate water generated in an evaporator (16) of the cooling unit (4), and a water spraying means (24) for spraying the condensate water stored in the water storage means (22) onto a surface of a condenser (10) accommodated in the condensing unit (3) and washing to remove the dusts and the foreign objects adherent to the surface of the condenser (10) by the condensate water sprayed from the water spraying means (24). COPYRIGHT: (C)2008,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To prevent a bad influence on water treatment parts due to a temperature drop of feed water at a low cost in a water treatment system. SOLUTION: In the water treatment system 1 comprising a feed water line 3 to an apparatus 2 and the water treatment parts 4 installed on the feed water line 3, a heat exchange part 5 exchanging heat between blow water of a boiler 6 supplying steam to load equipment in the outside of the system and the feed water is installed on the feed water line 3 on the upstream side of the water treatment parts 4. COPYRIGHT: (C)2008,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a bath boiler cleaning method for safely, easily and effectively clean the inside of a bath boiler using a bath boiler detergent excelling in organic matter decomposing action, microorganism sterilizing action and membrane-like matter stripping action. SOLUTION: The bath boiler cleaning method comprises a cleaning implement installation process for allowing a bath boiler cleaning implement to abut on the wall surface of a bathtub to partition the bathtub inner side periphery of a bath water in/out hole into a predetermined volume in a state of the bathtub being filled with bath water up to the water level of submerging at least the bath water in/out hole, and a cleaning process A for cleaning the bath boiler by putting the bath boiler detergent A containing foamable sodium peroxide, into bath water partitioned by the bath boiler cleaning implement. COPYRIGHT: (C)2008,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a heat exchanger capable of improving cleaning performance even in a constitution where a plurality of water cooling-type heat exchangers are arranged in parallel. SOLUTION: Solenoid valves 62a-62d controlled by an outdoor control device 100 are disposed in cooling water circulation pipe conduits 35a-35d of a branch pipe 63 for branching cooling water supplied to each of cooling water circulation pipe conduits 35a-35d, of the outdoor heat exchanger 21 constituted by connecting the plurality of water cooling-type heat exchanging elements 21a-21d in parallel, and a flow rate of wash water supplied to each of the cooling water circulation pipe conduits 35a-35d in cleaning can be adjusted by the solenoid valves 62a-62d. COPYRIGHT: (C)2008,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a verdigris removing agent capable of performing swift verdigris removing treatment free from risk about corrosion after the treatment without using chemicals doubtful about safety. SOLUTION: Swift verdigris removing treatment free from risk about corrosion after the treatment is made possible without using chemicals doubtful about safety such as hydrazine by a verdigris removing agent comprising a tetrakis(hydroxymethyl)phosphonium salt. COPYRIGHT: (C)2007,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a cleanser composition for circulation type bathtubs, bath heaters and cooling water system equipments, which has excellent cleansing forces, can safely and simply cleanse, has excellent storage stability, has low corrosiveness to various metals, when used as aqueous solutions, and does not produce irritative odors even in a high concentration aqueous solution. SOLUTION: This cleanser composition for the circulation type bathtubs, the bath heaters and the cooling water system equipments contains a dichloroisocyanurate and sodium metasilicate pentahydrate only whose particle surfaces are subjected to a low hydration treatment, as essential components. COPYRIGHT: (C)2007,JPO&INPIT