Method and apparatus for controlling the atmosphere of an essent

Details Method and apparatus for controlling the atmosphere of an essent Method and apparatus for controlling the atmosphere of an essent

1996-05-13

1999-01-19

Joyce, Harold

Ventilation

Having inlet airway

With air pump

454254, F24F 7007

Patent

active

058608575

DESCRIPTION:

BRIEF SUMMARY
The present invention relates to a method for regulating the atmosphere in a substantially closed space, such as a sports/exercise facility, an animal shelter or a like, especially in terms of partial oxygen pressure. The invention relates also to a space which is regulable in terms of its atmosphere and/or wind conditions.
The competitive athletes participating in endurance sports, such as distance running, cross-country skiing, swimming, cycling etc., pay frequent visits to high-altitude training camps. One of the drawbacks of such camps is e.g. that the camps have a limited duration and getting used to air with a lower oxygen content takes its own time. In addition, the atmospheric pressure is considerably lower than what is experienced at sea level, as disclosed in table 1. Such a lower pressure may cause problems to the organism.


TABLE 1

The atmospheric pressure at various altitudes at 64.degree. degrees of north latitude and the oxygen content of air corresponding to partial oxygen pressure at sea level.


______________________________________ corresponding oxygen content 64.degree. of north latitude at sea level January July January July Altitude mbar mbar % O.sub.2 % O.sub.2 ______________________________________ 0 1013,5 1012,5 21,0 21,0 2000 776 792 16,1 16,4 2500 725 745 15,0 15,6 3000 678 699 14,0 14,5 3500 633 656 13,1 13,6 4000 591 616 12,2 12,8 4500 553 577 11,5 12,0 5000 514 540 10,7 11,2 ______________________________________
According to table 1, for example, at the altitude of 3000 m above sea level the atmospheric pressure in January is 678 mbar while it is 1013,5 mbar at sea level. The atmosphere at such altitude has a partial oxygen pressure which at sea level corresponds to the oxygen content of 14,0% (in January).
An object of the invention is to provide a method, whereby the oxygen content of a substantially closed space, e.g. a sports/exercise hall or an animal shelter, can be regulated or adjusted in a desired direction, for example to create a low-oxygen atmosphere (oxygen content.ltoreq.21%) or a high-oxygen atmosphere (oxygen content .gtoreq.21%). In view of achieving this object, a method of the invention is characterized by what is set forth in the characterizing clause of claim 1. On the other hand, a substantially closed space of the invention is characterized by what is set forth in the characterizing clause of claim 5 or 6.
The benefits gained by a method and a sports/exercise space or facility of the invention include e.g. a possibility of creating permanent low-oxygen conditions in the space. It is much more inexpensive to train in this type of space than to travel abroad to a high-altitude camp. In addition, such an atmospherically regulable space can be exploited by more athletes than those with a chance to go abroad to a high-altitude camp. Furthermore, the invention is useful in avoiding the uncomfortable transports of racing animals to high-altitude camps, which are relatively few and far between e.g. for horses.
A person spending days, weeks or years at altitude gets more and more used to low-oxygen air. Thus, the body experiences less and less adverse effects and a person is able to raise his or her working capacity without consequential effects caused by the oxygen deficiency. Becoming further accustomed a person can also spend time at still a higher altitude. Getting used to such low-oxygen air brings about a number of significant alterations, the following list showing the top five:
On the other hand, spending time and/or training at a high-oxygen atmosphere offers certain benefits. During the course of a strenuous physical exercise, such as running at normal atmosphere (21% of oxygen), the respiration and oxygen uptake restrict the performance and stamina. By exercising at a high-oxygen (30-40% of oxygen) atmosphere, the above-mentioned bottleneck associated with normal atmosphere can be postponed. Thus, the exercise can be more intense and the athlete can work on e.g. his or her motorics.
The invention will now be described in more deta

REFERENCES:
patent: 3215057 (1965-11-01), Turek
patent: 3415310 (1968-12-01), Kuhlmann
patent: 3565072 (1971-02-01), Gauthier
patent: 3587574 (1971-06-01), Mercer et al.
patent: 5101819 (1992-04-01), Lane
patent: 5109837 (1992-05-01), Gamow
patent: 5133339 (1992-07-01), Whalen et al.

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