Damper structure of adsorption type refrigerator

Abstract

A damper structure is configured to open and close evaporator-side communication paths and the condenser-side communication paths respectively formed between adsorbing/desorbing devices and an evaporator and a condenser in an adsorption type refrigerator. There are spherical dampers in the communication paths respectively rollably placed therein. A ring-shape seal member having an inner circumference that can be sealed by the spherical damper is provided on a tilting lower end side of each of the communication paths in a path formation direction. A stopper for preventing the spherical damper from falling out of the communication path is provided on a tilting upper end side of each of the communication paths in the path formation direction.

1 . A damper structure for an adsorption type refrigerator which is provided with a plurality of adsorbing/desorbing devices each having a heat transfer pipe inserted therethrough, a surface of which is applied with a solid adsorbent, an evaporator configured to communicate with the plurality of adsorbing/desorbing devices individually, and a condenser configured to communicate with the plurality of adsorbing/desorbing devices individually, and is operated by switching between the adsorbing/desorbing device functioning as an adsorbing device by circulating a cooling water in the heat transfer pipe and the adsorbing/desorbing device functioning as a desorbing device by circulating a warm water in the heat transfer pipe at given time intervals, the damper structure comprising:
 evaporator-side communication paths formed between the adsorbing/desorbing devices and the evaporator with a tilt, having a side communicating with the evaporator lower than a side communicating with the adsorbing/desorbing devices, and the condenser-side communication paths formed between the adsorbing/desorbing devices and the condenser with a tilt, having a side communicating with the condenser higher than a side communicating with the adsorbing/desorbing devices;   a spherical damper movably placed in each of the communication paths as the evaporator-side communication path and the condenser-side communication path;   a ring-shape seal member provided on a tilting lower end side of the communication path in a path formation direction, which has an inner circumference sealed by the spherical damper; and   a stopper provided on a tilting upper end side of the communication path in the path formation direction, which prevents the spherical damper from falling out of the communication path.   
     
     
         2 . The damper structure for the adsorption type refrigerator according to  claim 1 , wherein
 in the evaporator-side communication path, when the internal pressure of the adsorbing/desorbing device functioning as the adsorbing device becomes lower than the internal pressure of the evaporator, the spherical damper moves to the tilting upper end side to open the evaporator-side communication path, and when the internal pressure of the adsorbing/desorbing device becomes higher than the internal pressure of the evaporator, the spherical damper moves to the tilting lower end side under its own weight to close the evaporator-side communication path; and   in the condenser-side communication path, when the internal pressure of the adsorbing/desorbing device functioning as the desorbing device becomes higher than the internal pressure of the condenser, the spherical damper moves to the tilting upper end side to open the condenser-side communication path, and when the internal pressure of the adsorbing/desorbing device becomes lower than the internal pressure of the condenser, the spherical damper moves under its own weight to the tilting lower end side to close the condenser-side communication path.   
     
     
         3 . The damper structure for the adsorption type refrigerator according to  claim 1 , wherein the spherical damper is made from a resin, and the ring-shape seal member is a rubber packing material. 
     
     
         4 . The damper structure for the adsorption type refrigerator according to  claim 1 , wherein the tilting lower end side of the communication path is provided with a stopper for preventing the spherical damper from immovably fitting in the ring-shape seal member. 
     
     
         5 . The damper structure for the adsorption type refrigerator according to  claim 2 , wherein the spherical damper is made from a resin, and the ring-shape seal member is a rubber packing material. 
     
     
         6 . The damper structure for the adsorption type refrigerator according to  claim 2 , wherein the tilting lower end side of the communication path is provided with a stopper for preventing the spherical damper from immovably fitting in the ring-shape seal member. 
     
     
         7 . The damper structure for the adsorption type refrigerator according to  claim 3 , wherein the tilting lower end side of the communication path is provided with a stopper for preventing the spherical damper from immovably fitting in the ring-shape seal member.